Ω
Ō
G5598 noun
SILEX Entry
Definition
The Greek interjection 'Ω' functions as a vocative particle, used to address, call attention to, or signal direct speech to a person, group, or entity. It does not carry lexical meaning on its own, but serves as an expressive exclamatory particle introducing direct address, often conveying a sense of emotion or heightened emphasis, such as urgency, reverence, affection, surprise, or lament. The semantic range is limited to its use in direct address, typically at the beginning of a vocative phrase.
Semantic Range
vocative marker, address marker, exclamatory particle, introductory particle for direct address
Root / Etymology
The Greek letter omega (Ω, ω) here is used as an interjection (particle), likely derived from the natural sound of exclamation or calling. Its origin as a distinct particle for address is uncertain, but is widely attested in classical and Hellenistic Greek as a means of introducing vocatives.
Historical & Contextual Notes
Ω is not a word with discrete lexical meaning, but an interjection serving an expressive syntactic function in Greek literature and speech. Commonly placed at the start of a sentence, it precedes names, titles, or groups being addressed, and is omitted in casual or less formal speech. In classical, Hellenistic, and Koine Greek (including the Septuagint and New Testament), it signals addressing a person (e.g. 'Ω ἄνθρωπε' - 'O man') or entity in prayer or exhortation. Its emotional force can vary from neutral to fervent depending on context. While English translations often render it as 'O' (as in 'O Lord'), this formality is archaic in contemporary English, and its force is often lost or omitted in modern translations. Unlike other Greek words for exclamation (e.g. φεῦ, ὤμοι), Ω specifically marks address rather than generalized exclamation. Its usage diminishes in later Greek due to changes in address markers.
Root Family
ω (Ō) — to address, to call to, to exclaim in direct speech
Word Forms
1 distinct form
| SIDANCE | Surface | Transliteration | Morphology | Common | SIBI-P1 | SIBI-P2 | Occurrences |
|---|---|---|---|---|---|---|---|
G5598-01 |
Ὦ | o | N NOM N SG |
Omega | the | Omega | 3 |
Occurrences in Scripture
3 occurrences
| SIDANCE | Reference | Word | Transliteration | Morphology | Common | SIBI-P1 | SIBI-P2 |
|---|---|---|---|---|---|---|---|
G5598-01 |
Revelation 1:8 | Ὦ | o | N NOM N SG |
Omega | the | Omega, the last letter |
G5598-01 |
Revelation 21:6 | Ὦ | o | N NOM N SG |
Omega | the | Omega |
G5598-01 |
Revelation 22:13 | Ὦ | o | N NOM N SG |
Omega | the | Omega |