IPA: //traɪˈkɒtəˌməs//
KK: /traɪˈkɒtəˌməs/
Describing something that is divided into three distinct parts or sections.
The trichotomous classification of the species helped scientists understand their evolutionary relationships.
Trichotomous → It is formed from "tri-" (meaning three) and "chotomous" (from Greek "chotomos", meaning to cut). The word describes something that is divided into three parts or branches.
Think of 'three' ('tri-') and 'cutting' ('chotomous') to remember that 'trichotomous' means something that is divided into three parts.