Where does “Kaido” come from?

Kaido (Estonian) comes from Estonian Kaidi, from Arabic قَيْد — effort.

Ancestry of “Kaido”, step by step

StepLanguageWordMeaning
1EstonianKaidivariant of Katariina
2Arabicقَيْدeffort
Every word from Arabic قَيْد →Every word from Estonian Kaidi →
Kaido — Etymology, Origin & Word History | Etymology Explorer