phototropy

P3H4O1T1O1T1R1O1P3Y4

noun

phototropism

OriginEnglish photo- ← Ancient Greek φωτο- (phōto-) ← Proto-Hellenic *pʰáwos →
Scrabble 20
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Meanings

nounphototropy (uncountable)
  1. uncountablephototropism

Origin

  1. Proto-Indo-European*bʰeh₂-
  2. Proto-Indo-European*bʰéh₂os
  3. Proto-Hellenic*pʰáwos
  4. Ancient Greekφᾰ́ος (phắos)
  5. Ancient Greekφῶς (phôs)
  6. Ancient Greekφωτο- (phōto-)
  7. Englishphoto-
  8. Englishphototropy

From photo- + -tropy.

Full word history & related roots →
Cite this entry
APA

phototropy. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/phototropy

MLA

“phototropy.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/phototropy. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “phototropy,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/phototropy.

Source: phototropy on Wiktionary, CC BY-SA 4.0.