Where does “փախստյա” come from?

փախստյա (Armenian) comes from Old Armenian փախստեայ, from Old Armenian փախուստ, from Old Armenian -ստ, from Proto-Indo-European -sti-.

փախստյա (Armenian): refugee

Definitions

Step	Language	Word	Meaning
1	Old Armenian	փախստեայ	fugitive, deserter, runaway; fugitive, fleeing
2	Old Armenian	փախուստ	flight, escape; evasion, subterfuge, shift,...
3	Old Armenian	-ստ	Forming few action nouns. These action nouns may...
4	Proto-Indo-European	-sti-	—