ἐπήτριμος
τὸ δ' ἐξαίφνης τὸ ἐν ἀναισθήτῳ χρόνῳ διὰ μικρότητα ἐκστάν → suddenly refers to what has departed from its former condition in a time imperceptible because of its smallness
English (LSJ)
ον, (ἤτριον) prop.
A woven to, closely woven: hence, generally, close, thronged, πυρσοί τε φλεγέθουσιν ἐπήτριμοι torch upon torch, Il.18.211; δράγματα . . ἐ. πῖπτον ἔραζε ib.552; λίην γὰρ πολλοὶ καὶ ἐπήτριμοι . . πίπτουσι too many one after another, 19.226, cf. A.R. 1.30, etc.: later in sg., κῦμα Q.S.14.248; ὄχλος Opp.C.3.382: neut. pl. as Adv., ib.1.322, al.
German (Pape)
[Seite 921] (ἤτριον, also eigtl. angewebt), dicht an einander, πυρσοὶ ἐπήτριμοι, Fackel an Fackel gedrängt, Il. 18, 211, vgl. 18, 552; von der Zeit, ἔπιπτον ἐπ., schnell nach einander, 19, 226; sp. Ep., wie Ap. Rh. 1, 30. Nach Hesych., wie π υκνός, verständig, v. l. ἐπήτριος.