onehead

The story

1. Old English · inherited from*ānhǣdu“oneness, unity”
2. Middle English · inherited fromoneheede
3. English todayonehead

From Middle English oneheede, onhed, anhede, from Old English *ānhǣdu (“oneness, unity”), equivalent to one + -head. Cognate with Dutch eenheid (“a unit, unity, oneness”), German Einheit (“a unit, unity, togetherness”), Swedish enhet (“a unit, oneness, unity”).