The Collaborative International Dictionary
Agriology
Agriology \Ag`ri*ol"o*gy\ ([a^]g`r[i^]*[o^]l"[-o]*j[y^]), n. Description or comparative study of the customs of savage or uncivilized tribes.
Douglas Harper's Etymology Dictionary
Wiktionary
agriology
n. The comparative study of primitive, illiterate or "savage" cultures.