Where does “թռիչք” come from?

թռիչք (Armenian) comes from Armenian թռչել, from Old Armenian թռչիմ, from Old Armenian թիռ-, from Proto-Indo-European ptēr-, from Proto-Indo-European pter- — wing, feather; feather; wing; wing; feather.

թռիչք (Armenian): flight, flying

Definitions

flight, flying

Ancestry of “թռիչք”, step by step

Step	Language	Word	Meaning
1	Armenian	թռչել	to fly; to jump, to leap
2	Old Armenian	թռչիմ	to fly, to take flight, to soar
3	Old Armenian	թիռ-	to fly
4	Proto-Indo-European	ptēr-	—
5	Proto-Indo-European	pter-	wing, feather; feather; wing; wing; feather

Every word from Proto-Indo-European pter- →Every word from Old Armenian թիռ- →Every word from Old Armenian թռչիմ →