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protohuman

[proh-toh-hyoo-muh n or, often, -yoo-]
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adjective
  1. of, relating to, or resembling extinct hominid populations that had some but not all the features of modern Homo sapiens.
noun
  1. a protohuman animal.

Origin of protohuman

First recorded in 1905–10; proto- + human
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for protohuman

protohuman

noun
  1. any of various prehistoric primates that resembled modern man
adjective
  1. of or relating to any of these primates
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

protohuman in Science

protohuman

[prō′tō-hyōōmən]
  1. Any of various extinct hominids or other extinct primates that were primitive predecessors or ancestors of humans.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.