Where does “փխրուն” come from?

փխրուն (Armenian) comes from Armenian -ուն, from Old Armenian -ուն, from Proto-Indo-European -o-mno-, from Proto-Indo-European -o-meno- — adverbial suffix of neuter gender.

փխրուն (Armenian): friable, crumbly, loose

Definitions

friable, crumbly, loose

Ancestry of “փխրուն”, step by step

Step	Language	Word	Meaning
1	Armenian	-ուն	forming adjectives from verbs
2	Old Armenian	-ուն	forming adjectives from verbs and rarely from...
3	Proto-Indo-European	-o-mno-	—
4	Proto-Indo-European	-o-meno-	adverbial suffix of neuter gender

Every word from Proto-Indo-European -o-meno- →Every word from Old Armenian -ուն →Every word from Armenian -ուն →