Where does “pontonbro” come from?

pontonbro (Swedish) comes from Swedish ponton, from French ponton, from Middle French ponton, from Old French ponton, from Latin pontō, from Latin pōns, from Latin fractus, from Latin frangere — to shine, shimmer.

pontonbro (Swedish): a pontoon bridge

Definitions

  1. a pontoon bridge

Ancestry of “pontonbro”, step by step

pontonbro traces back through two separate lines of ancestry.

via Swedish ponton

StepLanguageWordMeaning
1Swedishpontona pontoon (buoyant support)
2Frenchpontonpontoon
3Middle Frenchponton
4Old Frenchponton
5Latinpontōferryboat
6LatinpōnsA bridge, a construction or natural feature that spans a divide
7Latinfractusbroken, shattered, having been broken;...
8Latinfrangeresecond-person singular future passive indicative...
9Latinfrangōto break, shatter
10Proto-Indo-Europeanbʰrēǵ-to shine, shimmer

via Swedish bro

StepLanguageWordMeaning
1Swedishbroa bridge; a construction that spans a divide; a...
2Old East Norsebrō
3Proto-Germanicbrōwōbridge; brow
4Proto-Indo-Europeanbʰruh-beam; bridge; beam, bridge
Every word from Proto-Indo-European bʰrēǵ-
pontonbro — Etymology, Origin & Word History | Etymology Explorer