Old Armenian -ու

← Proto-Indo-European *-usyā (inherited)

← Proto-Indo-European *-wes (mention)

← Proto-Indo-European *-u (inherited)

← Proto-Indo-European *-yo (mention)

← Proto-Indo-European *-yā (mention)

← Old Armenian -ուք (mention)

← Old Armenian արու (mention)

← Old Armenian եղջերու (mention)

← Old Armenian մեղու (mention)

← Old Armenian ուրջու (mention)

← Old Armenian (mention)

← Old Armenian ծով (mention)

→ Armenian -ու (derived)

→ Armenian -ու (derived)

→ Old Armenian եղջերու (affix)

→ Old Armenian վերակացու (affix)

→ Old Armenian -ուք (suffix)