S / sub-dūrus
adjective

sub-dūrus

fem. sub-dūra · neut. sub-dūrum
somewhat hard; hardish
somewhat hard, hardish. *
Lit.: (genus verrucae) subdurum, Cels. 5, 28, 14.—*
figuratively
Trop., Q. Cic. Petit. Cons. 12, 46.