Where does “sien” come from?

sien (French) comes from Latin suus, from Proto-Italic sowos, from Proto-Indo-European sewos, from Proto-Indo-European swé — self.

sien (French): his that which belongs to him; her that which belongs to her

Definitions

  1. his that which belongs to him; her that which belongs to her

Ancestry of “sien”, step by step

StepLanguageWordMeaning
1Latinsuushis, her, its, their
2Proto-Italicsowoshis, her, its, their
3Proto-Indo-Europeansewos(one's) own; his, her, its
4Proto-Indo-Europeanswéself
Every word from Proto-Indo-European swé →Every word from Proto-Indo-European sewos →Every word from Proto-Italic sowos →
sien — Etymology, Origin & Word History | Etymology Explorer