oto-

A form of ot- — ear

OriginEnglish ot- ← Ancient Greek ὠτ- (ōt-) ← Proto-Indo-European *h₂ṓws →
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Meanings

prefix

alternative ot-

  1. alternativeAlternative form of ot- (“ear”)

Origin

  1. Proto-Indo-European*h₂ew-
  2. Proto-Indo-European*h₂ṓws
  3. Ancient Greekοὖς (oûs)
  4. Ancient Greekὠτ- (ōt-)
  5. Englishot-
  6. Englishoto-

From ot- + -o-.

Full word history & related roots →
Cite this entry
APA

oto-. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/oto-

MLA

“oto-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/oto-. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “oto-,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/oto-.

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