stupesco

οὐκ ἔστι λύπης ἄλγημα μεῖζον → there is no greater pain than grief

Latin > English (Lewis & Short)

stŭpesco: ĕre,
I v. inch. n. stupeo, to grow astonished, become amazed, Cic. de Or. 3, 26, 102; Vulg. Ezech. 32, 10.