Where does “speedboat” come from?

Speedboat derives from English speed and English boat, with boat tracing back through Middle English boot and Old English bāt to Latin buttis and ultimately Proto-Indo-European bʰeyd-.

speedboat (English): A fast boat, usually small; A boat designed and...

Definitions

  1. A fast boat, usually small; A boat designed and...

Ancestry of “speedboat”, step by step

speedboat traces back through two separate lines of ancestry.

via English Speed

StepLanguageWordMeaning
1EnglishSpeedThe state of moving quickly or the capacity for rapid motion
2Middle Englishspedgood fortune
3Old Englishspēdsuccess; luck, prosperity, success
4Proto-West Germanicspōdihurry, rush; success, prosperity
5Proto-West Germanicspōanto succeed, prosper
6Proto-Germanicspōanąto prosper, succeed, be happy
7Proto-Indo-Europeanspéh₁-to succeed, to prosper
8Proto-Indo-Europeanspeh₁-to succeed, to prosper

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

Words derived from “speedboat

Every word from Proto-Indo-European speh₁-
speedboat — Etymology, Origin & Word History | Etymology Explorer