pith

pith
subs.
P. ἐγκέφαλος, ὁ (Xen.), μυελός, ὁ (Aristotle).
Met., chief point: P. τὸ κεφάλαιον.

PITH

medulla (PROP. and figuratively).

pith: mĕdulla (both lit. and fig.): Col. 3, 18, extr. (of a vine): Plin. For fig. sense, v. MARROW. Phr.: the p. of the matter, caput rei: cf. Cic. Ph. 2, 31, 77, caput litterarum (the p. or sum of the letter).