Where does “supposer” come from?

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

Ancestry of “supposer”, step by step

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

Words derived from “supposer”

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