dissemble

Etymology

First attested in the beginning of the 15th century, in Middle English; inherited from Middle English dissemblen, dissimblen, dissemelen, borrowed from Old French dessambler, dissembler, disembler, itself borrowed from Latin dissimulō and modified after sembler, semblance, etc. Doublet of dissimulate, dissimilate, and dissimule. Displaced native Old English mīþan.