mandarin (n.)youdaoicibaDictYouDict[mandarin 词源字典]
"Chinese official," 1580s, via Portuguese mandarim or older Dutch mandorijn from Malay mantri, from Hindi mantri "councilor, minister of state," from Sanskrit mantri, nominative of mantrin- "advisor," from mantra "counsel," from PIE root *men- "to think" (see mind (n.)).

Form influenced in Portuguese by mandar "to command, order." Used generically for the several grades of Chinese officials; sense of "chief dialect of Chinese" (spoken by officials and educated people) is from c. 1600. Transferred sense of "important person" attested by 1907. The type of small, deep-colored orange so called from 1771, from resemblance of its color to that of robes worn by mandarins.[mandarin etymology, mandarin origin, 英语词源]
mandatary (n.)youdaoicibaDictYouDict
"person to whom a mandate has been given," 1610s, from Latin mandatarius "one to whom a charge or commission has been given," from mandatus, past participle of mandare (see mandate (n.)).
mandate (n.)youdaoicibaDictYouDict
"judicial or legal order," c. 1500, from Middle French mandat (15c.) and directly from Latin mandatum "commission, command, order," noun use of neuter past participle of mandare "to order, commit to one's charge," literally "to give into one's hand," probably from manus "hand" (see manual) + dare "to give" (see date (n.1)). Political sense of "approval supposedly conferred by voters to the policies or slogans advocated by winners of an election" is from 1796. League of Nations sense is from 1919.
mandate (v.)youdaoicibaDictYouDict
1620s, "to command," from mandate (n.). Meaning "to delegate authority, permit to act on behalf of a group" is from 1958; used earlier in the context of the League of Nations, "to authorize a power to control a certain territory for some specified purpose" (1919). Related: Mandated; mandating.
mandatory (adj.)youdaoicibaDictYouDict
1570s, "of the nature of a mandate," from Late Latin mandatorius "pertaining to a mandator," from Latin mandatus, past participle of mandare (see mandate (n.)). Sense of "obligatory because commanded" is from 1818.
mandible (n.)youdaoicibaDictYouDict
late 14c., "jaw, jawbone," from Middle French mandible and directly from Late Latin mandibula "jaw," from Latin mandere "to chew," from PIE root *mendh- "to chew" (cognates: Greek mastax "the mouth, that with which one chews; morsel, that which is chewed," masasthai "to chew," mastikhan "to gnash the teeth"). Of insect mouth parts from 1826.
mandibular (adj.)youdaoicibaDictYouDict
1650s, from Latin mandibula (see mandible) + -ar.
MandingoyoudaoicibaDictYouDict
people of the upper Niger region of West Africa, 1620s.
mandolin (n.)youdaoicibaDictYouDict
1707, from French mandoline, from Italian mandolino, diminutive of mandola, a larger kind of mandolin, altered from Late Latin pandura "three-stringed lute," from Greek pandoura, which is of unknown origin.
mandragora (n.)youdaoicibaDictYouDict
see mandrake.
mandrake (n.)youdaoicibaDictYouDict
narcotic plant, early 14c., mondrake, from Medieval Latin mandragora, from Latin mandragoras, from Greek mandragoras, probably from a non-Indo-European word. The word was in late Old English in its Latin form; folk etymology associated the second element with dragoun and substituted native drake in its place. The forked root is thought to resemble a human body and is said to shriek when pulled from the ground.
mandrel (n.)youdaoicibaDictYouDict
"miner's pick," 1510s, of unknown origin; perhaps borrowed from French mandrin, itself of unknown origin. Also applied from 17c. to parts of a lathe or a circular saw.
mandrill (n.)youdaoicibaDictYouDict
"large baboon," 1744, perhaps ultimately from an African language, but formed into English components man + drill (n.4) "baboon," which is of W.African origin. The earliest reference reports the name is what the animal was "called by the white men in this country" (Sierra Leone). French mandrill, Spanish mandril seem to be from English.
mane (n.)youdaoicibaDictYouDict
Old English manu "mane," from Proto-Germanic *mano (cognates: Old Norse mön, Old Frisian mana, Middle Dutch mane, Dutch manen, Old High German mana, German Mähne "mane"), from PIE *mon- "neck, nape of the neck" (cognates: Sanskrit manya "nape of the neck," Old English mene "necklace," Latin monile "necklace," Welsh mwng "mane," Old Church Slavonic monisto, Old Irish muin "neck").
manege (n.)youdaoicibaDictYouDict
1640s, "riding school;" 1776, "horsemanship, movements proper to a trained horse," from French manège, from Italian maneggio, from maneggiare "to control (a horse)," (see manage (v.)).
Manes (pl.)youdaoicibaDictYouDict
"Gods of the Lower World," in Roman religion, from Latin manes "departed spirit, ghost, shade of the dead, deified spirits of the underworld," usually said to be from Latin manus "good," thus properly "the good gods," a euphemistic word, but Tucker suggests a possible connection instead to macer, thus "the thin or unsubstantial ones."
maneuver (n.)youdaoicibaDictYouDict
"planned movement of troops or warship," 1758, from French manoeuvre "manipulation, maneuver," from Old French manovre "manual labor" 13c.), from Medieval Latin manuopera (source of Spanish maniobra, Italian manovra), from manuoperare "work with the hands," from Latin manu operari, from manu, ablative of manus "hand" (see manual (adj.)) + operari "to work, operate" (see operation). The same word had been borrowed from French into Middle English in a sense "hand-labor" (late 15c.). General meaning "artful plan, adroit movement" is from 1774. Related: Maneuvers.
maneuver (v.)youdaoicibaDictYouDict
1777, from maneuver (n.), or else from French manœurvrer "work, work with one's hands; carry out, prepare" (12c.), from Medieval Latin manuoperare. Originally in a military sense. Figurative use from 1801. Related: Maneuvered; maneuvering.
maneuverability (n.)youdaoicibaDictYouDict
1917, from maneuverable + -ity.
maneuverable (adj.)youdaoicibaDictYouDict
1913, from maneuver + -able.