noun, noun-modifying (irregular)
Indo-European; India and Europe
Abbreviation of インド・ヨーロッパ, used in academic or technical contexts such as linguistics and anthropology.
Research on the Indo-European language family flourished in the 19th century.
There are many hypotheses for the reconstruction of Proto-Indo-European.
Proto-Indo-European
Abbreviation of 印度 (India) and 欧羅巴 (Europe), formed by taking the first kanji of each.