Standard Lemma guide

eu-

prefix · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /juː-/
  • Canada, General-American: /ju-/
  • Australian, New-Zealand: /jʉː-/

1

prefix

Meaning 1

good, well

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

prefix

Meaning 2

true, genuine

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *h1wes- Proto-Indo-European *-us Proto-Indo-European *h1wésus? Proto-Indo-European *h1es-? Proto-Indo-European *h1su- Proto-Hellenic *ehu- Ancient Greek ἐΰς (eǘs) Ancient Greek εὖ (eû)der. English eu- Derived from Ancient Greek εὖ (eû, “well, good”).

Across languages

Translations

12 source translations are retained for this English entry.

  • Bengali: সু- (śu-) — Translations
  • Hindi: सु- (su-) — Translations
  • Javanese: ꦱꦸ- (su-) — Translations
  • Malayalam: സു- (su-) — Translations
  • Marathi: सु- (su-) — Translations
  • Pali: su- — Translations
  • Polish: eu- — Translations
  • Russian: эв- (ev-) — Translations
  • Russian: ев- (jev-) — Translations
  • Sanskrit: सु- (su-) — Translations
  • Telugu: సు- (su-) — Translations
  • Ukrainian: єв- (jev-) — Translations