Where does “semblance” come from?

semblance (Old French) comes from Old French semblant, from Old French sembler, from Latin similāre, from Latin similaris, from Latin similis, from Proto-Italic semalis, from Proto-Indo-European sem- — together, one.

Ancestry of “semblance”, step by step

Step	Language	Word	Meaning
1	Old French	semblant	—
2	Old French	sembler	Alternative form of sambler; to be like; to seem
3	Latin	similāre	a fax machine
4	Latin	similaris	uniform; similar; second-person singular present...
5	Latin	similis	similar
6	Proto-Italic	semalis	similiar
7	Proto-Indo-European	sem-	together, one

Words derived from “semblance”

semblance
semblaunce
missemblance

Every word from Proto-Indo-European sem- →Every word from Proto-Italic semalis →Every word from Latin similis →