Vous avez cherché: hardness (Anglais - Latin)

stiffness, hardness, sternness
rigor

duramen, duraminis hardness;
duramen

derigeo, derigere, -, - soften, remove hardness;
derigeo

when the dust groweth into hardness, and the clods cleave fast together?
quando fundebatur pulvis in terram et glebae conpingebantu

duritia, duritiae hardness, insensibility; hardship, oppressiveness; strictness, rigor;
duritia

rigor, rigoris stiffness, rigidity, coldness, numbness, hardness; inflexibility; severity;
rigor

callositas, callositatis hardening/thickening of skin, callus; callousness; hardness; hardening;
callositas

afterward he appeared unto the eleven as they sat at meat, and upbraided them with their unbelief and hardness of heart, because they believed not them which had seen him after he was risen.
novissime recumbentibus illis undecim apparuit et exprobravit incredulitatem illorum et duritiam cordis quia his qui viderant eum resurrexisse non credideran

corneus, cornea, corneum of horn, made of horn, horn-; resembling horn (hardness/appearance); horny;
cornea

derigo, derigere, derexi, derectus arrange/set in line/direction; align; set in order; form up, fall in (army); mark/fix (boundary); demarcate; straighten (out); level; square (up); point; direct (word/attention); bring proceedings; end word w/inflection; direct (course/steps), turn/steer/guide; propel/direct (missiles/blows); derigo, derigere, derexi, derectus direct, steer, guide, align, point; set in order, form up; straighten, level; derigeo, derigere, -, - soften, remove hardness;
derigere