名詞 lenitive:

1. remedy that eases pain and discomfort

形容詞 lenitive:

1. moderating pain or sorrow by making it easier to bear
   同義詞：alleviative, alleviatory, mitigative, mitigatory, palliative

len.i.tive

adj.（形容詞）
Capable of easing pain or discomfort.
止痛的、緩和的：能緩解疼痛或不適的
n.（名詞）
A lenitive medicine.
鎮(zhèn)痛劑，輕瀉劑

來源：
Middle English lenitif
中古英語 lenitif
from Old French
源自 古法語
from Medieval Latin lônitovus
源自 中世紀(jì)拉丁語 lônitovus
from Latin lônitus [past participle of] lônore [to soothe]
源自 拉丁語 lônitus [] lônore的過去分詞 [緩和，安慰]
from lônis [soft] * see lô-
源自 lônis [柔軟的，溫和的] *參見 lô-

【引伸】
len.itively
adv.（副詞）