inhuman
adj.
mid-15c., "cruel," from Latin inhumanus "inhuman, savage, cruel, rude, barbarous," from in- "not, opposite of" (see in-(1)) + humanus "human" (see human). Spelled inhumane till 18c. (see humane).
〔李〕[in-;human] a.无人性的; 不近人情的 ←human (L humanus)=man 人