Where does “հետք” come from?

հետք (Old Armenian) comes from Old Armenian հետ — foot; footstep, footprint, track; trace, vestige;...

Ancestry of “հետք”, step by step

Step	Language	Word	Meaning
1	Old Armenian	հետ	foot; footstep, footprint, track; trace, vestige;...

հետք — Etymology, Origin & Word History | Etymology Explorer