Where does “supposen” come from?

supposen (Middle English) comes from Old French supposer, from Latin suppōnō, from Latin pōnō, from Proto-Italic poznō, from Proto-Italic pozinō, from Proto-Italic sinō.

Ancestry of “supposen”, step by step

StepLanguageWordMeaning
1Old Frenchsupposer—
2Latinsuppōnōto put, place under
3Latinpōnōto place; to put; to lay
4Proto-Italicpoznō—
5Proto-Italicpozinō—
6Proto-Italicsinō—

Words derived from “supposen”

Every word from Proto-Italic sinō →Every word from Proto-Italic pozinō →Every word from Proto-Italic poznō →