Irish oll

← Proto-Celtic *ɸolnos (inherited)

← Proto-Indo-European *polh₁- (derived)

← Proto-Indo-European *pleh₁- (mention)

→ Irish ollfhathach (prefix)

→ Irish ollionad (prefix)

→ Irish olladhlacadh (prefix)

→ Irish ollphléasc (prefix)

→ Irish ollbhua (prefix)

→ Irish ollbhasún (prefix)

→ Irish olliompar (prefix)

→ Irish oll- (mention)

→ Irish ollchlár (prefix)