- Original: ὀμνύω - Transliteration: Omnuo - Phonetic: om-noo'-o - Definition: 1. to swear 2. to affirm, promise, threaten, with an oath 3. in swearing to call a person or thing as witness, to invoke, swear by - Origin: a prolonged form of a primary but obsolete omo, for which another prolonged form (omoo om-o'-o) is used in certain tenses - TDNT entry: 07:56,7 - Part(s) of speech: Verb - Strong's: A prolonged form of a primary but obsolete word ὄμω omō for which another prolonged form (ὀμόω omoōom-o'-o) is used in certain tenses. To swear that is take (or declare on) oath: - swear. Total KJV Occurrences: 15 • swear, 5 Mat 26:74; Mar 14:71; Hebrews 6:13; Hebrews 6:16; Jam 5:12 • swore, 7 Mar 6:23; Luke 1:73; Hebrews 3:11; Hebrews 3:18; Hebrews 6:13; Hebrews 7:21; Revelation 10:6 • sworn, 3 Act 2:30; Act 7:17; Hebrews 4:3