Where does “weathertight” come from?

weathertight (English) comes from English weather, from Middle English weder, from Old English weder, from Proto-West Germanic wedr, from Proto-Germanic wedrą, from Proto-Indo-European wedʰrom, from Proto-Indo-European h₂weh₁- — to blow.

weathertight (English): Sealed against the wind and rain

Definitions

  1. Sealed against the wind and rain

Ancestry of “weathertight”, step by step

weathertight traces back through two separate lines of ancestry.

via English weather

StepLanguageWordMeaning
1EnglishweatherThe short term state of the atmosphere at a...
2Middle Englishwederweather, condition of the sky; good weather; bad...
3Old Englishwederweather; wind, storm, breeze, air
4Proto-West Germanicwedrweather
5Proto-Germanicwedrąweather
6Proto-Indo-Europeanwedʰrom
7Proto-Indo-Europeanh₂weh₁-to blow

via English tight

StepLanguageWordMeaning
1EnglishtightFirmly held together; compact; not loose or open;...
2Middle Englishtight
3Old Englishþiht
Every word from Proto-Indo-European h₂weh₁-