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]
constrict (v.)youdaoicibaDictYouDict
early 15c., from Latin constrictus, past participle of constringere "compress" (see constrain). A direct borrowing from Latin of the same word which, via French, became constrain. Related: Constricted; constricting.
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."
narrow (adj.)youdaoicibaDictYouDict
Old English nearu "narrow, constricted, limited; petty; causing difficulty, oppressive; strict, severe," from West Germanic *narwaz "narrowness" (cognates: Frisian nar, Old Saxon naru, Middle Dutch nare, Dutch naar); not found in other Germanic languages and of unknown origin. The narrow seas (c. 1400) were the waters between Great Britain and the continent and Ireland. Related: Narrowness.
strait (adj.)youdaoicibaDictYouDict
"narrow, strict" (late 13c.), from Old French estreit, estrait "tight, close-fitting, constricted, narrow" (Modern French étroit), from Latin strictus, past participle of stringere (2) "bind or draw tight" (see strain (v.)). More or less confused with unrelated straight (adj.). Related: Straightly.