Where does “կարևոր” come from?

կարևոր (Old Armenian) comes from Old Armenian կարիք, from Old Armenian իք, from Old Armenian ի-, from Old Armenian հի-, from Proto-Indo-European *kʷís.

կարևոր (Old Armenian): necessary, needed; essential, expedient

Definitions

necessary, needed; essential, expedient

Ancestry of “կարևոր”, step by step

Step	Language	Word	Meaning
1	Old Armenian	կարիք	necessity, want, indigence, constraint,...
2	Old Armenian	իք	some, a, an, certain; is, there is; what is, what...
3	Old Armenian	ի-	thing; what?
4	Old Armenian	հի-	something
5	Proto-Indo-European	*kʷís	—

Every word from Proto-Indo-European *kʷís →Every word from Old Armenian ի- →Every word from Old Armenian իք →