Where does “bithfhótónaic” come from?

bithfhótónaic (Irish) comes from Irish bith-, from Old Irish bith-, from Old Irish bíth, from Proto-Celtic bitus, from Proto-Indo-European gʷiH-tu- — life.

bithfhótónaic (Irish): biophotonics

Definitions

  1. biophotonics

Ancestry of “bithfhótónaic”, step by step

StepLanguageWordMeaning
1Irishbith-ever-, constant; bio-
2Old Irishbith-ever-, constant
3Old Irishbíthinflection of at·tá: ## third-person singular...
4Proto-Celticbitusworld
5Proto-Indo-EuropeangʷiH-tu-life
Every word from Proto-Indo-European gʷiH-tu-Every word from Irish bith-Every word from Proto-Celtic bitus