"Of, relating to, or designating the single extant species of human, Homo sapiens, as opposed to extinct forms or species known only from fossil remains. Now chiefly historical", Late 19th cent.; earliest use found in John William Dawson (1820–1899), geologist and educationist. From neo- + anthropic. Compare slightly earlier palaeanthropic.[neanthropic etymology, neanthropic origin, 英语词源]