Where does “gwrthrewydd” come from?

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

gwrthrewydd (Welsh): antifreeze

Definitions

  1. antifreeze

Ancestry of “gwrthrewydd”, step by step

StepLanguageWordMeaning
1Welshrhewyddrefrigerant
2Welshrhewito freeze
3Welshrhewfrost; ice
4Proto-Celticɸreswosfrost
5Proto-Indo-Europeanprews-to freeze; frost
Every word from Proto-Indo-European prews- →Every word from Proto-Celtic ɸreswos →Every word from Welsh rhew →