Where does “カーディフ” come from?

カーディフ (Japanese) comes from English Cardiff, from Welsh caer, from Proto-Celtic *kaɸerūxs — sheep.

Ancestry of “カーディフ”, step by step

StepLanguageWordMeaning
1EnglishCardiffThe Welsh government
2Welshcaerfort, fortress, enclosed stronghold, castle,...
3Proto-Celtic*kaɸerūxssheep
Every word from Proto-Celtic *kaɸerūxs →Every word from Welsh caer →Every word from English Cardiff →