Where does “sua” come from?

sua (Old Portuguese) comes from Latin sua, from Proto-Italic sowos, from Proto-Indo-European sewos, from Proto-Indo-European swé — self.

Ancestry of “sua”, step by step

StepLanguageWordMeaning
1Latinsuanominative singular feminine of suus; nominative...
2Proto-Italicsowoshis, her, its, their
3Proto-Indo-Europeansewos(one's) own; his, her, its
4Proto-Indo-Europeanswéself

Words derived from “sua

Every word from Proto-Indo-European swéEvery word from Proto-Indo-European sewosEvery word from Proto-Italic sowos