durare or indurare aliquid (e.g., ferrum): durescere: indurescere: obdurescere (to become or to get hard). To harden the body by work, corpus labore durare: my mind is hardened against pain, obduruit animus ad dolorem novum; by anything, aliqua re (Cic., ad Div., 2, 16, 1): to harden one’s self by work, exercise, se laboribus durare: to have hardened one’s selffrom one’s youth, a parvulo (of several, parvulis) labori et duritiae studere: hardened, duratus; patiens laboris: hardened by work in the fields, rusticis laboribus duratus: harden by military exercises, ab usu armorum duratus.