C / commentātĭo
noun

commentātĭo

gen. commentātōnis · gender feminine · decl. 3rd
a diligent meditation upon something; a studying; a careful preparation
tota philosophorum vita, ut ait idem (Socrates), commentatio mortis est, Cic.… figuratively
Trop.: tota philosophorum vita, ut ait idem (Socrates), commentatio mortis est, Cic. Tusc. 1, 30, 74 (transl. of Plat. Phaed. § 12: Τὸ μελέτημα αὐτὸ τοῦτό ἐστι τῶν φιλοσόφων, λύσις καὶ χωρισμὸς Ψυχῆς ἀπὸ σώματος), commentatio ferendi doloris, id. ib. 2, 18, 42.—
a learned work; treatise; dissertation
Concr., a learned work, treatise, dissertation, description (so perh. not ante-Aug.): commentatio (de naturā animalium), Plin. 8, 16, 17, § 44; so, Indiae, id. 6, 17, 21, § 60. —In plur., Plin. 28, 1, 2, § 7; Gell. praef. § 4.