Definition of palaeopsychological in English:
palaeopsychological
adjective ˌpeɪlɪəʊˌsʌɪkəˈlɒdʒɪklˌpalɪəʊˌsʌɪkəˈlɒdʒɪkl
Of or relating to palaeopsychology.
Origin
1930s; earliest use found in American Journal of Sociology. From palaeo- + psychological, after palaeopsychology.