matið
Matið is an Icelandic historical noun meaning "the measure" or "the standard." The form matið appears in a limited number of medieval and early modern Icelandic texts. The base form mati- is used to denote measurement or a standard, and matið functions as the definite neuter singular of that noun in context.
In practice, matið is found in legal and commercial passages to designate the official or customary unit
Today, more common terms for the same concepts are mæling for measurement and mátun for calibration or
See also: units of measurement, Icelandic language, historical linguistics.