Etymograph

English

euphotide

Euphotide comes from Ancient Greek φῶς ‘light’, and goes back to Proto-Indo-European *bʰeh₂- ‘shine’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*bʰeh₂-1‘shine’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*bʰéh₂os1reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*pʰáwos1reconstructed
  4. Ancient Greekc. 800–300 BCEφάος2‘light’
  5. Ancient Greekc. 800–300 BCEφῶς3‘light’
  6. Englishtodayeuphotide3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Ancient Greek φάος
  2. 2 Wiktionary, Ancient Greek φῶς
  3. 3 Wiktionary, English euphotide

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*bʰeh₂-Wiktionary, Ancient Greek φάος‘shine’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*bʰéh₂osWiktionary, Ancient Greek φάοςreconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*pʰáwosWiktionary, Ancient Greek φάοςreconstructed
  4. Ancient Greekc. 800–300 BCEφάοςWiktionary, Ancient Greek φῶς‘light’
  5. Ancient Greekc. 800–300 BCEφῶςWiktionary, English euphotide‘light’
  6. EnglishtodayeuphotideWiktionary, English euphotide

The story

So called because of its pleasing combination of white and green.

Full etymology on Wiktionary

Linked words

through Proto-Indo-European *bʰeh₂- ‘shine’

focus, professor, phone, famous, fuel, ben, favor, favourite, ban, fantasy, phase, fate, fancy, fame, profession, fatal, bee, fairy, fabulous, emphasis, abandon, infant, phenomenon, confession, confess, beacon, beck, phantom, boon, symphony, eff, fab, fay, bane, fable, foyer, banish, buoy, epiphany, nefarious, 128 more

through Ancient Greek φῶς ‘light’

photographer, phosphate, phosphorus, phosphine, 7 more

Today it means

noun A kind of gabbro with saussurite

Sources

Sources: Wiktionary, “euphotide”; the older steps come from the Wiktionary entries for Ancient Greek φάος, Ancient Greek φῶς. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Proto-Indo-European *bʰeh₂- / euphotide