Standard Lemma guide

homo-

prefix · 3 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

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No pronunciation record was provided for this word.

1

prefix

Meaning 1

Same, identical.

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

Of or pertaining to homosexuality or same-sex relations.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

prefix

Meaning 3

Used to form the names of compounds derived from simpler ones by addition of a methylene group.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *sem- Proto-Indo-European *somHós Proto-Hellenic *homós Ancient Greek ὁμός (homós)der. English homo- From Ancient Greek ὁμός (homós, “same”). By surface analysis, hom- + -o-.

Back-formation from homosexual, ultimately from Ancient Greek ὁμός (homós, “same”).

Back-formation from homologue, ultimately from Ancient Greek ὁμός (homós, “same”).

Across languages

Translations

15 source translations are retained for this English entry.

  • Catalan: homo- — Same
  • French: homo- — Same
  • Galician: homo- — Same
  • Georgian: ჰომო- (homo-) — Same
  • German: homo- — Same
  • Greek: ομο- (omo-) — Same
  • Greek: ομό- (omó-) — Same
  • Indonesian: homo- — Same
  • Latvian: homo- — Same
  • Lithuanian: homo- — Same
  • Polish: homo- — Same
  • Polish: izo- — Same
  • Portuguese: homo- — Same
  • Russian: гомо- (gomo-) — Same
  • Spanish: homo- — Same