σκίδνημι
τούτων γάρ ἑκάτερον κοινῷ ὀνόματι προσαγορεύεται ζῷον, καί ὁ λόγος δέ τῆς οὐσίας ὁ αὐτός → and these are univocally so named, inasmuch as not only the name, but also the definition, is the same in both cases (Aristotle, Categoriae 1a8-10)
English (LSJ)
collat. form of σκεδάννυμι (q.v.),
A disperse, Heraclit.91, Aret.SD1.5, Plu.2.933d; used by Hom. in compd. διασκίδνημι. II mostly Pass. σκίδναμαι, only pres. and impf., to be spread or scattered, disperse, freq. of a crowd or assembly, αὐτοὶ δ' ἐσκίδναντο κατὰ κλισίας τε νέας τε Il.1.487; ἐπὶ σφέτερα σκίδνασθαι Od.1.274; ἐσκίδναντο ἑὴν ἐπὶ νῆα ἕκαστος Il.19.277; ἐπὶ νῆας ἕκαστοι ἐσκίδναντ' ἰέναι 24.2; σκίδνασθ' ἐπὶ ἔργα ἕκαστος Od.2.252; ἐσκίδναντο ἑὰ πρὸς δώμαθ' ἕκαστος ib.258; of foam or spray, ὑψόσε δ' ἄχνη σκίδναται Il.11.308; of a cloud of dust, ὕψι δ' ἀέλλη σκίδναθ' ὑπὸ νεφέων 16.375; of a stream, ἀνὰ κῆπον ἅπαντα σκίδναται Od.7.130; also ὀδμὴ σκίδνατο h.Cer.278; ὂψ σκιδναμένη Hes.Th.42; σκιδναμένα Simon.41 codd.Plu. (f.l. for κιδν-); σκιδναμένης ἐν στήθεσιν ὀργῆς f.l. in Sapph.27; σκιδναμένης Δημήτερος, i.e. at seedtime, in spring, Orac. ap. Hdt.7.142; ἅμα ἡλίῳ σκιδναμένῳ as the sun began to spread his light, i.e. soon after sunrise, Id.8.23; in Hp. of an odour, to be dissipated, Loc.Hom.2; of the distribution of τὸ πνεῦμα through the system, Morb.Sacr.7; also of the pupils, to be dilated, αἱ κόραι σκίδνανται Id.Int.48 = Dieb.Judic.3; elsewh. rare in Prose, Thphr. Sens.55,56; εὐωδία ἐκ πηγῆς -αμένη Plu.2.941f (not found in good Att., except compd. ἀποσκίδναμαι in Th.6.98).