pyo-

/ˈpaɪ.ə-//ˈpaɪ.oʊ-//paɪˈɒ-//ˌpaɪ.ə-/

prefix

pus

OriginAncient Greek πύον ← Proto-Indo-European *puH- →
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Meanings

prefix

alternative before vowel py-

  1. medicinepus

Origin

  1. Proto-Indo-European*puH-
  2. Ancient Greekπύον“pus”
  3. Englishpyo-

From New Latin, from Ancient Greek πύον (púon, “pus”), from Proto-Indo-European *puH-; compare Sanskrit पूयति (pūyati, “stinks, rots”), Ancient Greek πύθω (púthō, “to rot”), Gothic 𐍆𐌿𐌻𐍃 (fuls, “foul”), Old English ful (“foul”).

More words from Ancient Greek, Proto-Indo-European

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Cite this entry
APA

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

MLA

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

Chicago

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

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