英语词源字典 - 在线词源网站

declamation (n.)[declamation 词源字典]: late 14c., from Latin declamationem (nominative declamatio), noun of action from past participle stem of declamare (see declaim).[declamation etymology, declamation origin, 英语词源]
declamatory (adj.): 1580s, from Latin declamatorius "pertaining to the practice of speaking," from declamatus, past participle of declamare (see declaim).
declarant (n.): 1680s, from French déclarant, from Latin declarantem (nominative declarans), present participle of declarare (see declare).
declaration (n.): mid-14c., "action of stating," from Old French declaration, from Latin declarationem (nominative declaratio), noun of action from past participle stem of declarare (see declare). Meaning "proclamation, public statement" is from 1650s. Declaration of independence is recorded from 1776 (the one by the British American colonies seems to be the first so called; though the phrase is not in the document itself, it was titled that from the first in the press).
declarative (adj.): mid-15c., from French déclaratif and directly from Late Latin declarativus, from past participle stem of Latin declarare (see declare).
declaratory (adj.): mid-15c., from Medieval Latin declaratorius, from Latin declarator, from declarare (see declare).
declare (v.): early 14c., from Old French declarer "explain, elucidate," or directly from Latin declarare "make clear, reveal, disclose, announce," from de- intensive prefix (see de-) + clarare "clarify," from clarus "clear" (see clear (adj.)). Related: Declared; declaring.
declasse (adj.): 1887, from French déclassé, past participle of déclasser "to cause to lose class," from de-, privative prefix (see de-) + classer "to class" (see class).
declassify (v.): 1865, originally a term in logic; with reference to state secrets, 1946; from de- + classify. Related: Declassification; declassified; declassifying.
declension (n.): mid-15c., ultimately from Latin declinationem (nominative declinatio), noun of action from past participle stem of declinare (see decline (v.)); perhaps via French; "the form is irregular, and its history obscure" [OED].
declination (n.): late 14c. as a term in astronomy, from Old French declinacion (Modern French déclinaison), from Latin declinationem (nominative declinatio), noun of action from past participle stem of declinare (see decline (v.)). It took on various other senses 15c.-17c., most now obsolete.
decline (v.): late 14c., "to turn aside, deviate," from Old French decliner "to sink, decline, degenerate, turn aside," from Latin declinare "to lower, avoid, deviate, to bend from, inflect," from de- "from" (see de-) + clinare "to bend," from PIE *klei-n-, suffixed form of *klei- "to lean" (see lean (v.)). Sense has been altered since c. 1400 by interpretation of de- as "downward." Meaning "not to consent, politely refuse," is from 1630s. Related: Declined; declining.
decline (n.): early 14c., "deterioration, degeneration," from Old French declin (see decline (v.)).
declivity (n.): 1610s, from French déclivité, from Latin declivitatem (nominative declivitas) "a slope, declivity," from declivis "a sloping downward," from de- "down" (see de-) + clivus "a slope," from PIE *klei-wo-, suffixed form of *klei "to lean" (see lean (v.)).
decoct (v.): early 15c., from Latin decoctus, past participle of decoquere (see decoction). Related: Decocted; decocting.
decoction (n.): late 14c., from French décoction (13c.) or directly from Latin decoctionem (nominative decoctio) "a boiling down," noun of action from past participle stem of decoquere "to boil down," from de- "down" (see de-) + coquere "to cook" (see cook (n.)).
decode (v.): 1896, from de- + code. Related: Decoded; decoding.
decolletage (n.): 1894 (from 1883 as a French word in English), from French décolletage, from décolleté "low-necked" (see decollete).
decollete (adj.): 1831, from French décolleté, past participle of décolleter "to bare the neck and shoulders," from de- (see de-) + collet "collar of a dress," diminutive of col (Latin collum) "neck" (see collar (n.)). Not to be confused with decollate (v.), which means "to behead."
decolonization (n.): 1853 in political sense, American English, from de- + colonization. Earlier as a medical term.