sulfa-

/sʌl.fə/

prefix

Used to form names of sulfonamides used as antiinfectives.

OriginEnglish sulfonamide ← Proto-Indo-European *dʰeh₁- ← Latin ammoniacus →
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Meanings

prefix

alternative UK sulpha-

  1. medicineUsed to form names of sulfonamides used as antiinfectives.

Origin

  1. Englishsulfon(ic acid)
  2. Egyptianjmn
  3. Ancient GreekᾸ̓́μμων (Ắmmōn)
  4. LatinAmmōn
  5. Latinammoniacus
  6. Englishammonia
  7. Proto-Indo-European*dʰeh₁-
  8. Englishamide
  9. Englishsulfonamide
  10. Englishsulfa-

Contraction of sulfonamide.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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