Ὅμηρον ἐξ Ὁμήρου σαφηνίζειν → explain Homer from Homer, explain Homer with Homer
act of performing: P. and V. πρᾶξις, ἡ.
act done: P. and V. πρᾶγμα, τό, πρᾶξις, ἡ, ἔργον, τό.
feat: P. and V. ἀγώνισμα, τό.