Where does “ճրագ” come from?

ճրագ (Armenian) comes from Old Armenian ճրագ, from Middle Iranian čirāg.

ճրագ (Armenian): lamp; luminary

Definitions

Step	Language	Word	Meaning
1	Old Armenian	ճրագ	artificial source of light, candle, flambeau,...
2	Middle Iranian	čirāg	—

ճրագ — Etymology, Origin & Word History | Etymology Explorer