Where does “infridhearg” come from?

infridhearg (Irish) comes from Irish dearg, from Old Irish derg, from Proto-Celtic dergos, from Proto-Indo-European dʰerg-, from Proto-Indo-European dʰer- — to support; to hold.

infridhearg (Irish): infrared

Definitions

  1. infrared

Ancestry of “infridhearg”, step by step

StepLanguageWordMeaning
1Irishdeargred; live; to redden
2Old Irishdergred
3Proto-Celticdergosred crimson
4Proto-Indo-Europeandʰerg-to dim, darken; dim, dull; dark, dusky
5Proto-Indo-Europeandʰer-to support; to hold
Every word from Proto-Indo-European dʰer-Every word from Proto-Indo-European dʰerg-Every word from Proto-Celtic dergos