Irish so-

← Proto-Celtic *su- (inherited)

← Welsh hy- (cognate)

← Irish eo- (doublet)

← Ancient Greek εὖ (cognate)

← Proto-Indo-European *h₁su- (inherited)

← Sanskrit सु- (cognate)

← Old Irish so (inherited)

← Old Irish su (mention)

→ Irish sofhulaingthe (affix)

→ Irish so-bhlasta (affix)

→ Irish sobhriste (affix)

→ Irish sodhéanta (affix)

→ Irish soscéala (affix)

→ Irish so-lasta (affix)

→ Irish sochorraithe (affix)

→ Irish sochorraitheacht (affix)

→ Irish sochreimtheacht (affix)

→ Irish eo- (doublet)

→ Irish so-aitheanta (affix)

→ Irish sodhealaithe (affix)

→ Irish soscartha (affix)

→ Irish so-adhainte (affix)

→ Irish sofheicthe (affix)

→ Irish sochreidte (affix)