English boatswain

← Old English bātsweġen (inherited)

← Old English bāt (mention)

← Old English sweġen (mention)

← English boat (compound)

← English swain (compound)

← Middle English botswain (inherited)

← Middle English botswein (mention)

← Middle English bote-swayn (mention)

← Old Norse sveinn (derived)

→ English boson (contraction of)

→ English bosun (mention)

→ Irish bósan (borrowed)

→ Marshallese bojin (borrowed)

→ Norman baûsouîn (borrowed)