Where does “canto” come from?

canto (Old Spanish) comes from Latin canthus, from Gaulish cantos, from Proto-Celtic cantos, from Proto-Indo-European kh₂ndʰ.

Ancestry of “canto”, step by step

canto traces back through two separate lines of ancestry.

via Latin canthus

StepLanguageWordMeaning
1Latincanthusthe iron ring around a carriage wheel; the tire;...
2Gaulishcantos—
3Proto-Celticcantoscorner, rim
4Proto-Indo-Europeankh₂ndʰ—

via Vulgar Latin cantus

StepLanguageWordMeaning
1Vulgar Latincantus—
Every word from Proto-Indo-European kh₂ndʰ →Every word from Proto-Celtic cantos →Every word from Gaulish cantos →