Where does “آغسامق” come from?

آغسامق (Ottoman Turkish) comes from Proto-Turkic agsa-, from Proto-Turkic ak-.

Ancestry of “آغسامق”, step by step

Step	Language	Word	Meaning
1	Proto-Turkic	agsa-	to limp, be lame; to hobble, limp
2	Proto-Turkic	ak-	—