Where does “supposing” come from?

Supposing derives from English suppose, which comes from Middle English supposen, Old French supposer, and Latin suppono, literally meaning "to put under" from sub and pono.

supposing (English): present participle of suppose; The act of making...

Definitions

  1. present participle of suppose; The act of making...

Ancestry of “supposing”, step by step

StepLanguageWordMeaning
1EnglishsupposeTo take for granted; to conclude, with less than...
2Middle Englishsupposen—
3Old Frenchsupposer—
4Latinsuppōnōto put, place under
5Latinpōnōto place; to put; to lay
6Proto-Italicpoznō—
7Proto-Italicpozinō—
8Proto-Italicsinō—

Words derived from “supposing”

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