IPA: /ˌɛθnəˈlɒdʒɪkəl/
KK: /ɛθnəˈlɑgɪkəl/
Relating to the study of different cultures and their development.
The ethnological research provided valuable insights into the traditions of the indigenous people.
Ethnological → It is formed from "ethnos" (from Greek, meaning nation or people) and "-logia" (from Greek, meaning study or discourse). The word "ethnological" refers to the study of different peoples and cultures.
Think of 'ethnos' meaning 'people' and '-logia' meaning 'study' — this helps you remember that 'ethnological' is about the study of different peoples.