noun
academic aptitude test (Japan, 1948–1954)
A historical examination used for university admissions in Japan from 1948 to 1954. Now obsolete; replaced by later testing systems.
進学適性検査は、戦後まもなく大学入試に導入されたが、数年で廃止された。
The academic aptitude test was introduced for university admissions shortly after the war, but was abolished within a few years.
Compound of 進学 (entering a higher school), 適性 (aptitude), and 検査 (examination). The term refers to a specific historical test; no further etymological breakdown is needed.