Where does “հեղուսել” come from?

հեղուսել (Old Armenian) comes from Old Armenian հեղուսեմ, from Old Armenian հեղոյս — big nail; rivet.

Ancestry of “հեղուսել”, step by step

Step	Language	Word	Meaning
1	Old Armenian	հեղուսեմ	to nail, to nail up, to fasten with nails; to...
2	Old Armenian	հեղոյս	big nail; rivet

հեղուսել — Etymology, Origin & Word History | Etymology Explorer