Where does “-աբար” come from?

-աբար (Old Armenian) comes from Old Armenian -բար, from Old Armenian բարք, from Proto-Indo-European bʰēr- — shiny, light brown.

-աբար (Old Armenian): Alternative form of -բար

Definitions

Step	Language	Word	Meaning
1	Old Armenian	-բար	Forming adverbs. Corresponds to -ly
2	Old Armenian	բարք	manners, morals, custom, disposition,...
3	Proto-Indo-European	bʰēr-	shiny, light brown