Middle English thornen

← Old English þyrnen (inherited)

← English thornnen (alter)

← English þornen (alter)

← English þeornen (alter)

← English thorne (alter)

← English þornen (alter)

← English thorny (alter)

← Middle English thorn (affix)

← Middle English -en (affix)

← Middle English thorn (affix)

← Middle English -en (affix)

← Proto-Germanic *þurnīnaz (inherited)

→ English thornen (inherited)