Word Study
Are (root: be)
CIDE DICTIONARY
Are, [AS. (Northumbrian) aron, akin to the 1st pers. pl. forms, Icel. erum, Goth. sijum, L. sumus, Gr. , Skr. smas; all from a root as. See Am and Is, and cf. Be.].
The present indicative plural of the substantive verb to be; but etymologically a different word from be, or was. Am, art, are, and is, all come from the root as. [1913 Webster]
Are, n. [F., fr. L. area. See Area.].
The unit of superficial measure, being a square of which each side is ten meters in length; 100 square meters, or about 119.6 square yards. [1913 Webster]
OXFORD DICTIONARY
Are, 2nd sing. present & 1st, 2nd, 3rd pl. present of BE.
Are, n. a metric unit of measure, equal to 100 square metres.
Etymology
F f. L AREA
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