The story
- Proto-Indo-European*dwóh₁
- Proto-Indo-European*dwi-
- Proto-Italic*dwi-
- Latinbi-
- Englishbi-
- Englishphotonic
- English todaybiphotonic
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Involving the simultaneous absorption of two photons Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.