Where does “suppositorium” come from?

suppositorium (Medieval Latin) comes from Latin suppositorius, from Latin suppōnō, from Latin pōnō, from Proto-Italic poznō, from Proto-Italic pozinō, from Proto-Italic sinō.

Ancestry of “suppositorium”, step by step

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

Words derived from “suppositorium

Every word from Proto-Italic sinōEvery word from Proto-Italic pozinōEvery word from Proto-Italic poznō