ὑπέκ-καυμα · hypek-kauma — LSJ
combustible matter, fuel, X. Cyr. 7.5.22, Arist. Resp. 473a5, Mete. 341b19, al.: metaph. of food, as supplying animal heat, Hp. Aph. 1.14, Plu. QConv. 2.694f, Aët. 9.19.
the supposed Sphere of Fire surrounding the atmosphere, Simp. in Cael. 20.26, al. (quoting Arist. Mete. l.c.).
metaph., provocative, incentive, ἔρωτος X. Smp. 4.25; πολλοῖς ὑ. ἔστʼ ἔρωτος μουσική Men. 237, cf. Phld. Mus. p.80 K.; ὑ. τῆς νόσου Arist. Pr. 859b19; πόθου καὶ χάριτος Plu. Lyc. 15.