A-lefan

根据古英语词典：

a-lefan

pp. ed [a, lef weak, feeble] To become weak, feeble; langues-cere :-- Ðæt we fæston mid geráde, swá ðæt úre líchama alefed ne wurþe ut cum ratione jejunemus, ita ut corpus nostrum languidius nefiat, Bd. 3, 23; Whel. 228, 45. a-lefan