ὀλιγάκις
From LSJ
ἔξαψις σφοδρὰ μετὰ πολλῆς βίας πίπτουσα ἐπὶ γῆς → a violent flare-up falling on the ground with great force, thunder and lightning
English (LSJ)
[ᾰ], Adv.
A but few times, seldom, Hp.VM9, Epid.1.26. δ', E.Or.393, Th.6.38, Pl. Phlb.52c, etc. ; ὀ. καὶ ὀλιγαχοῦ Arist.Rh.1404b29 :—a form ὀλιγάκι is cited in EM172.6.
German (Pape)
[Seite 319] wenige Male, selten; Eur. Or. 387; Thuc. 6, 38; Ggstz von πολλάκις, Plat. Phil. 52 b, öfter; Dem. 12, 11 (epist. Phil.)