anger (v.)youdaoicibaDictYouDict[anger 词源字典]
c. 1200, "to irritate, annoy, provoke," from Old Norse angra "to grieve, vex, distress; to be vexed at, take offense with," from Proto-Germanic *angus (cognates: Old English enge "narrow, painful," Middle Dutch enghe, Gothic aggwus "narrow"), from PIE root *angh- "tight, painfully constricted, painful" (cognates: Sanskrit amhu- "narrow," amhah "anguish;" Armenian anjuk "narrow;" Lithuanian ankstas "narrow;" Greek ankhein "to squeeze," ankhone "a strangling;" Latin angere "to throttle, torment;" Old Irish cum-ang "straitness, want"). In Middle English, also of physical pain. Meaning "excite to wrath, make angry" is from late 14c. Related: Angered; angering.[anger etymology, anger origin, 英语词源]
hangnail (n.)youdaoicibaDictYouDict
also hang-nail, 1670s, probably folk etymology alteration (as if from hang (v.) + (finger) nail) of Middle English agnail, angnail, from Old English agnail, angnail "a corn on the foot," perhaps literally a "painful spike" (in the flesh), from Proto-Germanic *ang- "compressed, hard, painful" (from PIE *angh- "tight, painfully constricted, painful;" see anger) + Old English nægl "spike" (see nail (n.)). Compare Old English angnes "anxiety, trouble, pain, fear," angset "eruption, pustule."
painful (adj.)youdaoicibaDictYouDict
mid-14c., from pain (n.) + -ful. Related: Painfully; painfulness.
scald (v.)youdaoicibaDictYouDict
c. 1200, "to be very hot; to afflict painfully with hot liquid or steam," from Old North French escalder "to scald, to scorch" (Old French eschalder "heat, boil up, bubble," Modern French échauder), from Late Latin excaldare "bathe in hot water" (source also of Spanish escaldar, Italian scaldare "heat with hot water"), from Latin ex- "off" (see ex-) + calidus "hot" (see calorie). Related: Scalded; scalding. The noun is c. 1600, from the verb.
sharply (adv.)youdaoicibaDictYouDict
Old English scearplice "acutely, keenly; painfully, severely; attentively, quickly;" see sharp (adj.) + -ly (2). Old English also had adverbial form scearpe "sharply."
sorely (adv.)youdaoicibaDictYouDict
Old English sarlice "grievously, mournfully, bitterly, painfully;" see sore (adj.) + -ly (2).
squirm (v.)youdaoicibaDictYouDict
1690s, originally referring to eels, of unknown origin; sometimes associated with worm or swarm, but perhaps imitative. Figurative sense "to be painfully affected, to writhe inside" is from 1804. Related: Squirmed; squirming. As a noun from 1839.