A.inroad, invasion, Hdt.6.92, E.Ion722 (lyr.), etc.; “ποταμῶν” Plb.4.40.9; “διὰ τὴν ἐς Σάρδις ἐσβολήν” Hdt.7.1; “ἐ. ποιεῖσθαι τῇ πόλει” Th.8.31 codd.; irruption of false opinions, Polystr.p.19W.; of an illness, attack, Aret.SD2.12, CA1.1.
2. entrance, pass, “ἐ. ἐξ ὀρέων στεινῶν ἐς πεδίον” Hdt.2.75; ἡ ἐ. ἡ Ὀλυμπική the pass of Mount Olympus, Id.7.172, cf. Th.3.112; “Συμπληγάδων ἐ.” E.Med.1264(lyr.): pl., of Thermopylae, Hdt.7.176, cf. 1.185, 2.141, Jul.Or.2.98b.
3. entering upon a thing, beginning, “καινὰς ἐσβολὰς ὁρῶ λόγων” E.Supp.92; “ἐ. στεναγμάτων” Id.Ion677(lyr.); “σοφισμάτων” Ar.Ra.1104; κανόνων ib.956; proem, preface, of a play, Antiph.191.20, cf. D.H.Lys.17 (pl.), Longin.38.2.