τοῦ δὲ πολέμου οἱ καιροὶ οὐ μενετοί → in war, opportunities won't wait | the chances of war will not wait (Thucydides 1.142.2)
P. and V. πόα, ἡ, χλόη, ἡ, Ar. and V. ποία, ἡ (Eur., Cyclops 333).
grass for pasture: P. βοτάνη, ἡ; see also meadow.