Where does “cétlongad” come from?

cétlongad (Middle Irish) comes from Old Irish cét-, from Proto-Celtic kentus, from Proto-Indo-European ḱen- — to set oneself in motion, arise.

Ancestry of “cétlongad”, step by step

StepLanguageWordMeaning
1Old Irishcét-first; with
2Proto-Celtickentusfirst
3Proto-Indo-Europeanḱen-to set oneself in motion, arise
Every word from Proto-Indo-European ḱen- →Every word from Proto-Celtic kentus →Every word from Old Irish cét- →