Lewis & Short

torpōro, āvi, ātum, 1, v. a. [torpor], to stiffen, benumb, stupefy (ante- and postclass.): aspectus repens cor torporavit homini amore. Turp. ap. Non. 182, 7: umida nimis rigoribus torporata concrescunt, Lact. 2, 8, 62.