hĕbĕtesco — Lewis & Short
hĕbĕtesco, ĕre,
I v. inch. n. [hebes], to grow dull, dim, or faint (post-Aug. and very rare):
aciem in cultris tonsorum,Plin. 28, 7, 23, § 79:
acies oculi hebetescit ac paene caligat,Cels. 6, 6, 37:
dolor hebetescit,Scrib. Comp. 56.