古こ人じん類るい学がく

Meanings

1

paleoanthropology

Academic field studying ancient human ancestors through fossils and artifacts.

人じん類るい学がく
人類学 is general anthropology, while 古人類学 specifically studies ancient human ancestors.
考こう古こ学がく
考古学 is archaeology, focusing on human history through material remains, whereas 古人類学 focuses on biological and evolutionary aspects of early humans.

Compound of 古 (こ, 'ancient'), 人類 (じんるい, 'humanity'), and 学 (がく, 'study').