κρούω,
future -σω [[ 5th c.BC: Euripides Tragicus “El.” 180 ] Refs 5th c.BC+]: aorist [[ ἔκρουσα Xenophon Historicus [{5-6th c.BC}] “Anabasis” 4.5.18, 4th c.BC: Hyperides Orator “fragment” 201 ] Refs 6th c.BC+]: perfect [[ κέκρουκα {4-5th c.AD}: Diogenianus Paroemiographus 3.38, (ἐκ-) 5th-6th c.BC: Plato Philosophus “Phdr.” 228e, (προς-) 4th c.BC: Demosthenes Orator 21.206:] Refs 5th c.BC+] —middle, aorist [[ ἐκρουσάμην 5th c.BC: Thucydides Historicus 7.40 ] Refs 5th c.BC+]:—passive, aorist [[ ἐκρούσθην 3rd c.BC: Eratosthenes Epicus “Καταστερισμοί” 32 ] Refs 3rd c.BC+]: perfect κέκρουμαι (ἀπο-) [[ 5th-6th c.BC: Xenophon Historicus “HG” 7.4.26, or -ουσμαι (ἀπο-) 5th-6th c.BC: Aristophanes Comicus “Ach.” 459 ] Refs 5th c.BC+]:—strike, smite, [[ ῥυτῆρι κ. γλουτόν 5th c.BC: Sophocles Tragicus “fragment” 501 ] Refs 5th c.BC+]; κρούσας δὲ πλευρὰ [τῶν ἵππων] [[ 5th c.BC: Euripides Tragicus “fragment” 779.6; τὸν λυχνοῦχον 5th c.BC: Lysias Orator “fragment” 83; τοῖς ποσὶ τὴν γῆν 2nd c.AD: Arrianus Historicus “Anabasis” 7.1.5 ] Refs 5th c.BC+]; also εἰς τὴν χεῖρα τοῖς δακτύλοις κ. with the fingers, [[ 2nd-3rd c.AD: Dio Cassius Historicus 40.16: _metaphorically_, κνῖσα κ. ῥινὸς ὑπεροχάς] Refs 2nd c.AD+] tickles, [[ 4th c.BC: Ephippus Comicus 3.3. ] Refs 4th c.BC+]
__2 strike one against another, strike together, κ. χεῖρας clap the hands, [[ 5th c.BC: Euripides Tragicus “Supp.” 720; τὰ ὅπλα κρουόμενα πρὸς ἄλληλα 5th c.BC: Thucydides Historicus 3.22; τὰς ἀσπίδας πρὸς τὰ δόρατα Xenophon Historicus [{5-6th c.BC}] “An.” ] Refs 6th c.BC+] [same place]: metaphorically, ἀλλήλων τοὺς λόγους τοῖς λόγοις ἐκρούομεν ἄν would have knocked their heads together, [[ 5th-6th c.BC: Plato Philosophus “Tht.” 154e. ] Refs 5th c.BC+]