原史時代
げんしじだい
noun (common) (futsuumeishi)
protohistory (the period between prehistory and history)
◄ ►
原子時代
げんしじだい
noun (common) (futsuumeishi)
atomic age
◄ ►
原始時代
げんしじだい
noun (common) (futsuumeishi)
nouns which may take the genitive case particle `no'
primitive times
◄ ►