出典:Wiktionary
From Middle English mameren (“to hesitate, be undecided, waver, mutter”), from 古期英語 māmrian, māmorian (“to think through, deliberate, plan out, design”), from Proto-Germanic *maimrōną (“to take care, worry”), from Proto-Indo-European *mer-, *smer- (“to fall into thought, remember, take care”). Related to 古期英語 māmor (“deep thought, deep sleep, unconsciousness”), 古期英語 mimorian (“to remember”), Dutch mijmeren (“to ponder, muse”). More at remember.