foe

英文词源

foe

foe: [OE] Foe is the modern descendant of the Old English noun gefā ‘enemy’, a derivative of Germanic *faikh-. This also produced the Old English adjective fāh ‘hostile’, and was the ultimate source of modern English feud.
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foe (n.)

Old English gefea, gefa "foe, enemy, adversary in a blood feud" (the prefix denotes "mutuality"), from adjective fah "at feud, hostile," also "guilty, criminal," from Proto-Germanic *faihaz (cognates: Old High German fehan "to hate," Gothic faih "deception"), probably from PIE root *peig- (2) "evil-minded, treacherous, hostile" (cognates: Sanskrit pisunah "malicious," picacah "demon;" Greek pikros "bitter;" Latin piget "it irks, troubles, displeases," piger "reluctant, lazy;" Lithuanian piktas "wicked, angry," pekti "to blame"). Weaker sense of "adversary" is first recorded c. 1600.