Where does “sopposys” come from?

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

Ancestry of “sopposys”, step by step

sopposys traces back through two separate lines of ancestry.

via Cornish sopposya

StepLanguageWordMeaning
1Cornishsopposyato intend, suppose
2EnglishsupposeTo take for granted; to conclude, with less than...
3Middle Englishsupposen
4Old Frenchsupposer
5Latinsuppōnōto put, place under
6Latinpōnōto place; to put; to lay
7Proto-Italicpoznō
8Proto-Italicpozinō
9Proto-Italicsinō

via Cornish ys

StepLanguageWordMeaning
1Cornishyscorn
Every word from Proto-Italic sinō