Where does “pontoon” come from?

Pontoon comes from Old French ponton, from Latin ponto, ultimately derived from Proto-Indo-European pent-, the root meaning to stretch or extend.

pontoon (English): A flat-bottomed boat used as a support for a...

Definitions

  1. A flat-bottomed boat used as a support for a...

Ancestry of “pontoon”, step by step

pontoon traces back through two separate lines of ancestry.

via Middle French ponton

StepLanguageWordMeaning
1Middle Frenchponton
2Old Frenchponton
3Latinpontōferryboat
4LatinpōnsA bridge, a construction or natural feature that spans a divide
5Latinfractusbroken, shattered, having been broken;...
6Latinfrangeresecond-person singular future passive indicative...
7Latinfrangōto break, shatter
8Proto-Indo-Europeanbʰrēǵ-to shine, shimmer

via English vingt-un

StepLanguageWordMeaning
1Englishvingt-un
2Englishvingt-et-unThe card game pontoon
3Frenchvingt-et-untwenty-one

Words derived from “pontoon

Every word from Proto-Indo-European bʰrēǵ-