unterteilten
Unterteilten is a German verb form rather than a standalone concept. It represents the simple past (Präteritum) conjugation of the verb unterteilen for plural subjects, or the corresponding form in the first person plural. The infinitive is unterteilen, a separable-prefix verb meaning to divide or subdivide something into parts or categories. The past participle is unterteilt, used with auxiliary haben to form perfect tenses (e.g., haben unterteilt).
In usage, unterteilen describes the act of partitioning an object, area, dataset, or concept into smaller units
Etymologically, unterteilen combines the prefix unter- (under, into parts) with teilen (to divide). The combination conveys
See also: Unterteilung, Gliederung, Teilung, Kategorienbildung.
Notes: While unterteilen itself is a common verb, unterteilten as a form is strictly a finite verb