Where does “Caergaint” come from?

Caergaint (Welsh) comes from Irish caint, from Brythonic Cantio, from Proto-Celtic kantos, from Proto-Indo-European *kh₂ndʰ-.

Ancestry of “Caergaint”, step by step

Caergaint traces back through two separate lines of ancestry.

via Irish caint

StepLanguageWordMeaning
1Irishcaintspeech; talking
2BrythonicCantio—
3Proto-Celtickantoscorner; rim
4Proto-Indo-European*kh₂ndʰ-—

via Welsh caer

StepLanguageWordMeaning
1Welshcaerfort, fortress, enclosed stronghold, castle,...
2Proto-Celtic*kaɸerūxssheep
Every word from Proto-Indo-European *kh₂ndʰ- →Every word from Proto-Celtic kantos →Every word from Brythonic Cantio →
Caergaint — Etymology, Origin & Word History | Etymology Explorer