“+ adjective
Etymology: International Scientific Vocabulary prot- + historic
: of or relating to the times just preceding the period of recorded history
artifacts from protohistoric Indian sites — F.M.Setzler
“+ adjective
Etymology: International Scientific Vocabulary prot- + historic
: of or relating to the times just preceding the period of recorded history
artifacts from protohistoric Indian sites — F.M.Setzler
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012