ὄμνυ_μι, ὀμνύω , imp.
ὄμνυθι, ὀμνυέτω, ipf. ὤμνυε, fut. ὀμοῦμαι,
-εῖται, aor. ὤμοσα,
ὄμο(ς)σα: take oath,
swear;
ὅρκον (τινί, or πρός τινα), Il. 3.279, Od.
14.331; foll. by inf., also w. acc. of the person or thing in
whose name, or by whom or which, the oath is taken,
Il. 14.271, Il. 15.40.