διώκει παῖς ποτανὸν ὄρνιν → a boy chases a bird on the wing, vain pursuit
v. trans.
Deny on oath: P. and V. ἐξομνύναι (or mid.), ἀπομνύναι.
Renounce: P. and V. ἐᾶν, χαίρω, χαίρειν ἐᾶν.