*intenerate*

v. t. [ imp. & p. p. Intenerated p. pr. & vb. n. Intenerating. ] [ Pref. in- in + L. tener soft, tender. See Tender, a. ] To make tender or sensitive; to soften. [ 1913 Webster ]

Fear intenerates the heart. Bp. Hall. [ 1913 Webster ]

So have I seen the little purls of a stream . . . intenerate the stubborn pavement. Jer. Taylor. [ 1913 Webster ]