Päädatum
Päädatum is a Finnish term that refers to the main or primary datum used as a reference point or dataset in measurements, data processing, and archiving. The word combines Finnish pää (main or principal) with datum (from Latin). In Finnish technical literature, päädatum denotes the principal reference point or dataset that other measurements or data items relate to.
In geodesy and surveying, a datum is a mathematically defined surface or point system that provides the
In data management and information systems, päädatum can mean the canonical or “master” dataset that serves
Usage and translation: the term is common in Finnish contexts but not standardized in English; translations
See also: datum, reference frame, geodetic datum, master data, data governance.