Origin: 1860–65; orig. sp. var. (N England) of mote1, with silent -i-, which served only to mark the o long; but by sp. pron. -oi- now has its usual value
[Middle English mollen, to soften by wetting, from Old French moillier, from Vulgar Latin *molliāre, from Latin mollia (pānis), the soft part (of bread), from neuter pl. of mollis, soft; see mel-1 in Indo-European roots.] moil'er n., moil'ing·ly adv.