c.1200, "gentle, courteous, kind," from O.N.
mjukr "soft, pliant, gentle," from P.Gmc.
*meukaz (cf. Goth.
muka-modei "humility," Du.
muik "soft"), of uncertain origin. Use to translate L.
mansuetus from Vulgate (see
mansuetude). Sense of "submissive" is from 1340.