17 letters · 24 points in Scrabble
noun any of several extinct humanlike bipedal primates with relatively small brains of the genus Australopithecus; from 1 to 4 million years ago
adjective of or belonging to the hominid genus Australopithecus
originOriginally in reference to a now-obsolete subfamily Australopithecinae, formed in New Latin, from Latin austrālis (“southern”) + Ancient Greek πίθηκος (píthēkos, “ape”).
Etymology from Wiktionary, CC BY-SA 3.0