Where does “Kaila” come from?

Kaila (Finnish) comes from Finnish kaisla, from Proto-Finnic kaisla, from Proto-Germanic gaisilaz — staff, whip.

Ancestry of “Kaila”, step by step

StepLanguageWordMeaning
1Finnishkaislarush, bulrush, club-rush
2Proto-Finnickaisla—
3Proto-Germanicgaisilazstaff, whip
Every word from Proto-Germanic gaisilaz →Every word from Proto-Finnic kaisla →Every word from Finnish kaisla →