Where does “swnian” come from?

swnian (Welsh) comes from Welsh sŵn, from Middle English soun, from Anglo-Norman sun, from Old French son, from Vulgar Latin sum, from Latin suus, from Proto-Italic sowos, from Proto-Indo-European sewos — self.

swnian (Welsh): to grumble, to complain, to whine

Definitions

  1. to grumble, to complain, to whine

Ancestry of “swnian”, step by step

swnian traces back through two separate lines of ancestry.

via Welsh sŵn

StepLanguageWordMeaning
1Welshsŵnsound
2Middle Englishsounsound
3Anglo-Normansun
4Old Frenchsonhis/hers/its
5Vulgar Latinsumto be, exist, have; to be there; to go
6Latinsuushis, her, its, their
7Proto-Italicsowoshis, her, its, their
8Proto-Indo-Europeansewos(one's) own; his, her, its
9Proto-Indo-Europeanswéself

via Welsh ian

StepLanguageWordMeaning
1Welshian
Every word from Proto-Indo-European swéEvery word from Proto-Indo-European sewosEvery word from Proto-Italic sowos