Where does “dadrewydd” come from?

dadrewydd (Welsh) comes from Welsh rhewydd, from Welsh rhewi, from Welsh rhew, from Proto-Celtic ɸreswos, from Proto-Indo-European prews- — to freeze; frost.

dadrewydd (Welsh): defroster, deicer

Definitions

  1. defroster, deicer

Ancestry of “dadrewydd”, step by step

dadrewydd traces back through two separate lines of ancestry.

via Welsh rhewydd

StepLanguageWordMeaning
1Welshrhewyddrefrigerant
2Welshrhewito freeze
3Welshrhewfrost; ice
4Proto-Celticɸreswosfrost
5Proto-Indo-Europeanprews-to freeze; frost

via Welsh dadrewi

StepLanguageWordMeaning
1Welshdadrewi
Every word from Proto-Indo-European prews-