Why was "tantrum" trending last week?
late 15c., "financial loss incurred through damage to goods in transit," from French avarie "damage to ship," and Italian avaria; a word from 12c. Mediterranean maritime trade (cf. Spanish averia; other Germanic forms, Dutch avarij, German haferei, etc., also are from Romanic languages), of uncertain origin. Sometimes traced to Arabic 'arwariya "damaged merchandise," but this might as easily be a borrowing of the word from the Franks. Meaning shifted to "equal sharing of such loss by the interested parties." Transferred sense of "statement of a medial estimate" is first recorded 1735. The mathematical extension is from 1755.
1770; see average (n.).
1769, from average (n.). Related: Averaged; averaging.
average av·er·age (āv'ər-ĭj, āv'rĭj)
A number that typifies a set of numbers of which it is a function.
See arithmetic mean.
An intermediate level or degree.
Of, relating to, or constituting an average.
Being intermediate between extremes, as on a scale.
To calculate the average of.
To do or have an average of.
To distribute proportionately, as over a period of time.
A number, especially the arithmetic mean, that is derived from and considered typical or representative of a set of numbers. Compare arithmetic mean, median, mode.
in maritime law, loss or damage, less than total, to maritime property (a ship or its cargo), caused by the perils of the sea. An average may be particular or general. A particular average is one that is borne by the owner of the lost or damaged property (unless he was insured against the risk). A general average is one that is borne in common by the owners of all the property engaged in the venture.