Where does “solubilis” come from?

solubilis (Late Latin) comes from Latin solvo, from Latin sē-, from Latin sex, from Proto-Italic seks, from Proto-Indo-European swéḱs — six.

Ancestry of “solubilis”, step by step

StepLanguageWordMeaning
1Latinsolvoto loosen, untie, undo; free [up], release, acquit, exempt
2Latinsē-apart-; aside-; away
3Latinsexsix; 6
4Proto-Italicsekssix
5Proto-Indo-Europeanswéḱssix

Words derived from “solubilis”

Every word from Proto-Indo-European swéḱs →Every word from Latin sē- →Every word from Latin solvo →