Strong's G3660 (Greek)

Greek: ὀμνύω (omnýō)

Pronunciation: om-noo'-o

Derivation: a prolonged form of a primary, but obsolete ὄμω (ómō), for which another prolonged form ὀμόω (omóō) om-o'-o is used in certain tenses;

Definition: to swear, i.e. take (or declare on) oath

KJV Renderings: swear

Sources. The definition, derivation and KJV renderings are James Strong's own wording from Strong's Exhaustive Concordance of the Bible (1890) — public domain. The numbered senses and the Hebrew–Greek cross-references are the editorial work of the OpenScriptures Strong's dictionary, licensed CC BY-SA 3.0; their sense-outline conventions match the Outline of Biblical Usage (Online Bible, Larry Pierce), noted as a convention match rather than a documented claim.