Where does “sun” come from?

sun (Anglo-Norman) comes from Old French son, from Vulgar Latin sum, from Latin suus, from Proto-Italic sowos, from Proto-Indo-European sewos, from Proto-Indo-European swé — self.

Ancestry of “sun”, step by step

StepLanguageWordMeaning
1Old Frenchsonhis/hers/its
2Vulgar Latinsumto be, exist, have; to be there; to go
3Latinsuushis, her, its, their
4Proto-Italicsowoshis, her, its, their
5Proto-Indo-Europeansewos(one's) own; his, her, its
6Proto-Indo-Europeanswéself

Words derived from “sun”

Every word from Proto-Indo-European swé →Every word from Proto-Indo-European sewos →Every word from Proto-Italic sowos →