IPA: /ˌpriːhɪˈstɒrɪk/
KK: /priˈhɪstərɪk/
Relating to the time before written history, often referring to ancient times when early humans lived and developed.
The museum has a fascinating exhibit on prehistoric animals and their habitats.
Prehistoric → It is formed from "pre-" (meaning before) and "historicus" (from Greek "historikos", meaning relating to history). The word "prehistoric" refers to the time period before recorded history.
Think of 'pre-' meaning 'before' and 'historicus' relating to 'history' — so prehistoric describes the time before history was recorded.