Where does “frithreo” come from?

frithreo (Irish) comes from Irish reo, from Middle Irish reód, from Old Irish réud, from Proto-Celtic ɸreswos, from Proto-Indo-European prews- — to freeze; frost.

frithreo (Irish): antifreeze

Definitions

  1. antifreeze

Ancestry of “frithreo”, step by step

StepLanguageWordMeaning
1Irishreoverbal noun of reoigh; frost; Alternative form of...
2Middle Irishreódfrost
3Old Irishréudfrost
4Proto-Celticɸreswosfrost
5Proto-Indo-Europeanprews-to freeze; frost
Every word from Proto-Indo-European prews- →Every word from Proto-Celtic ɸreswos →Every word from Old Irish réud →