Where does “յատակել” come from?

յատակել (Old Armenian) comes from Old Armenian յատակեմ, from Old Armenian յատակ, from Old Armenian յ — in, on, at.

յատակել (Old Armenian): infinitive of յատակեմ; *to reach the bottom

Definitions

Step	Language	Word	Meaning
1	Old Armenian	յատակեմ	to raze to the ground, to cast down, to...
2	Old Armenian	յատակ	bottom; land, country
3	Old Armenian	յ	in, on, at