ἐγκέφᾰλ-ος · enkephal-os — LSJ
within the head: as Subst., ἐγκέφαλος (sc. μυελός), ὁ,
brain, Il. 3.300, Od. 9.458, etc.; τὸν ἐ. σεσεῖσθαι Ar. Nu. 1276; ὁ ἐ. ἐστιν ὁ τὰς αἰσθήσεις παρέχων τοῦ ἀκούειν κτλ. Pl. Phd. 96b, cf. Arist. Sens. 438b25 (but cf. Metaph. 1013a6).
the heart or ‘cabbage’ of the date-palm, X. An. 2.3.16, Thphr. HP 2.6.2.
Διὸς ἐ., prov. of rare and costly food, ‘morsel for a king’, Ephipp. 13.7, Clearch. 5.