deutero-

/ˈdjuː.tə.rəʊ//ˈdjuː.tə.rə//ˈdjuː.tə.rɒ//ˈd͡ʒuː.tə.rəʊ/

prefix

Second or secondary.

“deutero- + benzene → deuterobenzene”

OriginAncient Greek δεύτερος (deúteros) ← Proto-Indo-European *dews-? →
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Meanings

prefix

alternative before vowel deuter- · alternative deuto-

  1. Second or secondary.

    deutero- + -gamy → deuterogamy (“second marriage”)

  2. Containing deuterium.

    deutero- + benzene → deuterobenzene

Origin

  1. Proto-Indo-European*dews-?
  2. Ancient Greekδεύτερος (deúteros)
  3. Englishdeutero-

Derived from Ancient Greek δεύτερος (deúteros), possibly from Proto-Indo-European *dews- + Ancient Greek -τερος (-teros).

More words from Ancient Greek

Full word history & related roots →

Translations

French deutéro-
  • deutéro-Translations
Italian deutero-
  • deutero-Translations
Cite this entry
APA

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

MLA

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

Chicago

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

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