intĕr-āresco, ĕre, v. inch. n., to become dry, to dry up.
I Lit., Vitr. 7, 8, 2: animalia sine humoris potestate interarescent, will die off , id. 8 praef. § 3.—
II Trop., to dry up , decay; with exstingui et cadere, Cic. Tusc. 5, 14, 40.
inter-ārēscō —, —, ere, inch, to become dry, dry up, decay: nihil interarescere debet. ...
An Elementary Latin Dictionary