Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
lēnīmen, ĭnis, n. [lenio], a softening or soothing remedy; an alleviation, mitigation, solace (poet.): testudo laborum Dulce lenimen, Hor. C. 1, 32, 14: sollicitae lenimen dulce senectae, Ov. M. 6, 500: addidit illis hoc quoque lenimen, id. ib. 11, 450.