出典:Wiktionary
From Middle English plit (“fold, wrinkle, bad situation”), conflation of Middle English pliht, plight (“risky promise, peril”) (from 古期英語 pliht "danger, risk") and Anglo-Norman plit, plyte (“fold, condition”), from Old French pleit (“condition, manner of folding”) (from Vulgar Latin *plictum, from Latin plicitum (“fold”)).
From Middle English plight (“risk, danger”), from 古期英語 pliht (“peril, risk, danger, damage, plight”), from Proto-West Germanic *plihti (“care, responsibility, duty”). A suffixed form of the root represented by 古期英語 pleoh (“risk, danger, hurt, peril"; also "responsibility”) and plēon (“to endanger, risk”). Akin to 古期英語 plihtan (“to endanger, compromise”). Cognate with Scots plicht (“responsibility, plight”), Dutch plicht, Low German plicht (“duty”), German Pflicht (“duty”), Danish pligt (“duty”), Yiddish פֿליכט (flikht). More at pledge.
plight (三人称単数 現在形 plights, 現在分詞 plighting, 過去形および過去分詞形 plighted)
From Middle English pliȝt, plight, plyt, pleit, from Anglo-Norman pleit (“pleat, fold”). More at plait.
弱々しいこと