mammer
Mammer (verb) means to pause or be unsure before acting.
Etymology
From Middle English mameren (“to hesitate, be undecided, waver, mutter”), from Old English 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 Old English māmor (“deep thought, deep sleep, unconsciousness”), Old English mimorian (“to remember”), Dutch mijmeren (“to ponder, muse”). More at remember.