Where does “անց” come from?

անց (Old Armenian) comes from Old Armenian անցանեմ, from Old Armenian -ան- — present stem extension found in certain verbs;...

անց (Old Armenian): passing, going, journey; passage, pass; defile;...

Definitions

Step	Language	Word	Meaning
1	Old Armenian	անցանեմ	to pass; to flow, to run; to pass away, to end,...
2	Old Armenian	-ան-	present stem extension found in certain verbs;...