Where does “mailboat” come from?

mailboat (English) comes from English mail, from Middle English mal, from Old English māl, from Old Norse mál, from Proto-Germanic mēlą, from Proto-Indo-European melh₂-, from Proto-Indo-European mel-, from Proto-Indo-European mey- — to strengthen; to bind; to change, exchange.

mailboat (English): a boat used to transport mail

Definitions

  1. a boat used to transport mail

Ancestry of “mailboat”, step by step

mailboat traces back through two separate lines of ancestry.

via English mail

StepLanguageWordMeaning
1EnglishmailA bag or wallet; A bag containing letters to be...
2Middle Englishmal
3Old Englishmālspeech, contract, agreement; suit, case, action,...
4Old Norsemállanguage; speech; matter, affair
5Proto-Germanicmēląmeasure, measurement; time, occasion; point in...
6Proto-Indo-Europeanmelh₂-to grind, to crush
7Proto-Indo-Europeanmel-soft; tender; weak; to deceive; to rub
8Proto-Indo-Europeanmey-to strengthen; to bind; to change, exchange

via English boat

StepLanguageWordMeaning
1EnglishboatA craft used for transportation of goods,...
2Middle EnglishbotA seafaring vessel or watercraft; a device for...
3Old Englishbātthat which can be bitten, food, bait; boat, ship,...
4Proto-West Germanicbaitboat, ship
5Proto-Germanicbaitazboat, ship
6Proto-Indo-Europeanbʰeyd-to split
7Proto-Indo-Europeanbʰey-bee
Every word from Proto-Indo-European mey-