Same or similar entry in other lexica.
The headword adjective is very frequent in Aristotelian meteorological and astronomical works: see e.g. Meteorologica 365a1-3, 366b33 passim; De Mundo 384b18; Problemata 940b30; cf. Alexander of Aphrodisias, Commentary on Aristotle's Meteorologica 113.15 passim. See also Chrysippus in the scholia to Hesiod, Theogony 148. A detailed definition of this kind of winds is provided by Posidonius fr.337a, lines 9ff. For an occurrence in comic poetry see Alexis fr. 46.5 Kock = 47.5 K.-A.
A different specific meaning, peculiar to medical texts, is illustrated by Galen, Linguarum seu dictionum exoletarum Hippocratis explicatio, vol 19.96.5 Kuehn, where e)knefi/as o)/mbros is "the rain coming with sun" (evidently mentioned for its influence on human health: cf. Oribasius 10.9.1), while the e)knefi/as pureto\s is defined as o( u(gro\s a(/ma kai\ purw/dhs "the fever at the same time humid and burning".