noun
Refers to the reconstructed ancestor language of the Indo-European family. Used in linguistics. Also called 印欧基語.
See also: 印欧基語
印欧祖語は紀元前4000年頃に話されていたと考えられている。
Proto-Indo-European is thought to have been spoken around 4000 BCE.
Synonym for 印欧祖語, also meaning Proto-Indo-European. 印欧祖語 is more common.
From 印欧 (Indo-European) + 祖語 (proto-language).