ὀμνύω (omnýō|om-noo'-o|verb|to swear);
[Grk] ὀμνύω, ὄμνυμι LN: 33.463 GK: G3922, G3923 Hebrew: אָמַר‎, שָׁבַע‎, תָּפַשׂ‎
Derivation: a prolonged form of a primary, but obsolete ὄμω, for which another prolonged form ὀμόω (omóō|om-o'-o) is used in certain tenses;
Strong's: to swear, i.e. take (or declare on) oath
KJV: --swear.