haggle (v.)youdaoicibaDictYouDict[haggle 词源字典]
1570s, "to cut unevenly, mangle in cutting" (implied in haggler "clumsy workman"), frequentative of haggen "to chop" (see hack (v.1)). Sense of "argue about price" first recorded c. 1600, probably from notion of chopping away. Related: Haggled; haggling.[haggle etymology, haggle origin, 英语词源]
jagged (adj.)youdaoicibaDictYouDict
mid-15c., from verb jaggen (c. 1400) "to pierce, slash, cut; to notch or nick; cut or tear unevenly," Scottish and northern English, of unknown origin. Originally of garments with regular "toothed" edges; meaning "with the edge irregularly cut" is from 1570s. Related: Jaggedly; jaggedness.
uneven (adj.)youdaoicibaDictYouDict
Old English unefen "unequal, unlike, anomalous, irregular," from un- (1) "not" + even (adj.). Similar formation in Old Frisian oniovn, Middle Dutch oneven, Old High German uneban, German uneben, Old Norse ujafn. Meaning "broken, rugged" (in reference to terrain, etc.) is recorded from late 13c. Related: Unevenly; unevenness.
unlike (adv.)youdaoicibaDictYouDict
c. 1300, "unevenly," from un- (1) "not" + like (adv.) (see like (adj.)). From 1590s as "in a manner differing."