prone

prone
adj.
P. and V. προπετής (Xen.), V. προνωπής ; see also prostrate.
Met., inclined to: P. προπετής πρός (acc.), V. προνωπής εἰς (acc.).
Be prone to: (with infin.): P. and V. φῐλεῖν ; see also liable.
A woman is weak and prone to tears: V. γυνὴ δὲ θῆλυ κἀπὶ δακρύοις ἔφη (Eur. Med. 928).

PRONE

Tending downward devexus; declivis or declivus; inclinatus.

Inclined pronus (general term): proclivis (commonly to something good): propensus (commonly to something bad). Vid: “INCLINED TO.

prone:

I. Leaning forward, with the face to the ground: prōnus: he rolls p. on his head, p. volvitur in caput, Virg. Aen. 1, 115: Sall. Cat. 1. See also HEADLONG.

II. Inclined to:

1. prōnus (foll. by ad or in and acc.: in Cic., denoting natural tending towards rather than propensity properly so called): too p. to complaisance, in obsequium plus aequo p., Hor. Ep. 1, 18, 10: Suet.: cf. Cic. Rep. 2, 26, fr., anxitudo pr. ad luctum.

2. prōpensus, prōclīvis: v. INCLINED. (All the above words, like the Eng., are naturally most frequently used of evil tendency.)