noun, plural prehistories.
in the period before recorded events, known mainly through archaeological discoveries, study, research, etc.; history
of the events or incidents leading to a crisis, situation, or the like.
prehistorian /ˌprihɪˈstɔriən, -ˈstoʊr-/ [pree-hi-stawr-ee-uhn, -stohr-] Show IPA , noun