rigido
From LSJ
ἡ τῆς παιδογονίας συνουσία → sexual intercourse for the purpose of bearing children
Latin > English (Lewis & Short)
rĭgĭdo: āre, v. a. id.,
I to harden, make firm (very rare); trop.: (virtus) rigidari quidem, amplius intendi non potest, Sen. Ep. 71, 20.
Latin > French (Gaffiot 2016)
rĭgĭdō,¹⁶ āre, tr., rendre raide, durcir, raidir : Sen. Ep. 71, 20.
Latin > German (Georges)
rigido, āre (rigidus), steif-, hart machen, Sen. ep. 71, 20.