Middle English penne

← Old English penn (inherited)

← Middle English feþer (mention)

← Middle English pen (alter)

← Middle English penne knyfe (link)

← Middle English penner (link)

← Proto-Germanic *pennō (inherited)

← Proto-Indo-European *péth₂r̥ (derived)

← Proto-Italic *petnā (derived)

← Latin penna (derived)

→ English pen (mention)

→ English pen (inherited)

→ Middle English pen (alter)

→ Middle English penner (affix)

→ Middle English penne knyfe (affix)

→ Irish pionna (borrowed)