Where does “Zeeman” come from?

Zeeman is not attested in the provided etymological chain, which traces seaman through Middle English seman and Old English sǣmann, so an origin summary cannot be accurately written. If you meant to ask about **seaman** instead, here is the sentence: Seaman comes from Middle English seman, from Old English sǣmann, a compound of sǣ meaning sea and mann meaning man.