As adjectives the difference between protohistoric and prehistoric
is that protohistoric is of or pertaining to protohistory while prehistoric is prehistoric.
protohistoric
English
Adjective
(-)
Of or pertaining to protohistory prehistoric
English
(Prehistory)
Adjective
(
en adjective)
Of relating to the epoch before written record.
Nonmodern.
Related terms
* prehistory
* prehistorically