endo-

UK/ɛn.də(ʊ)/US/ɛn.doʊ/

A form of end- — internal, within, inside, into

Similar
in-intra-en-em-im-end-ento-
Opposite
out-ex- exo-ecto-
OriginAncient Greek ἔνδον (éndon) ← Proto-Hellenic *éndon ← Proto-Indo-European *h₁n̥dóm →
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Meanings

prefix
  1. alternativeAlternative form of end-.

    Synonyms: in-, intra-, en-, em-, im-, end-, ento-

Synonyms & antonyms

Also see
en-end-in-intra-

Origin

  1. Proto-Indo-European*h₁n̥dóm
  2. Proto-Hellenic*éndon
  3. Ancient Greekἔνδον (éndon)
  4. Englishendo-

From Ancient Greek ἔνδον (éndon, “inner; internal”).

More words from Ancient Greek

Full word history & related roots →

Translations

Indonesian endo-
  • endo-Translations
Polish endo-
  • endo-Translations
Spanish endo-
  • endo-Translations
Cite this entry
APA

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

MLA

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

Chicago

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

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