Lewis Short
(adjective) : indŏlōrĭus, a, um, id.
* Painless, Hier. in Eph. 4, 17-19.—Hence, n. plur. as subst.: indŏlōrĭa, = anodyna, anaesthetics, Cael. Aur. Tard. 2, 4, 79; cf. indoloria, ἀνάλγητα, Gloss.
Charlton T. Lewis, Charles Short, A Latin Dictionary