IPA: /ˈɛθnɪkəl/
KK: /ˈɛθnɪkəl/
Relating to a particular group of people who share a common culture, language, or heritage.
The festival celebrates the ethnical diversity of the community.
Ethnical → It is derived from "ethnos" (from Greek, meaning nation or people) and the suffix "-ical" (meaning pertaining to). The word "ethnical" refers to something that pertains to a particular nation or people, especially in terms of culture or identity.
Think of 'ethnos' which means 'people' — this helps you remember that 'ethnical' relates to the characteristics or culture of a specific group of people.