Where does “kello” come from?

kello (Proto-Finnic) comes from Proto-Germanic skellǭ, from Proto-Indo-European sḱel-, from Proto-Indo-European ḱelh₁- — to warm up, to be hot; to warm up, be hot.

Ancestry of “kello”, step by step

StepLanguageWordMeaning
1Proto-Germanicskellǭbell
2Proto-Indo-Europeansḱel-to be obligated, owe
3Proto-Indo-Europeanḱelh₁-to warm up, to be hot; to warm up, be hot

Words derived from “kello”

Every word from Proto-Indo-European ḱelh₁- →
kello — Etymology, Origin & Word History | Etymology Explorer