Where does “Căileanu” come from?

Căileanu (Romanian) comes from Romanian Caila, from Serbo-Croatian kajla, from German Keile — beating; cotter; plural of Keil.

Ancestry of “Căileanu”, step by step

StepLanguageWordMeaning
1RomanianCaila
2Serbo-Croatiankajlaprop
3GermanKeilebeating; cotter; plural of Keil
Every word from German KeileEvery word from Serbo-Croatian kajlaEvery word from Romanian Caila