Webster's Revised Unabridged Dictionary · 1913

Plenty

Plenty , noun

[Old English plentee, plente, Old French plenté, from Latin plenitas, from plenus full. See Full, a., and compare Complete.]

Full or adequate supply; enough and to spare; sufficiency; specifically, abundant productiveness of the earth; ample supply for human wants; abundance; copiousness. — Shakespeare
Plenty of corn and wine. — Shakespeare
Promises Britain peace and plenty. — Gen. xxvii. 28
Houses of office stuffed with plentee. — Chaucer
The teeming clouds Descend in gladsome plenty o'er the world. — Thomson

Plenty , adjective

Plentiful; abundant. [Obsolete or Colloquial]
If reasons were as plenty as blackberries. — Shak. (Folio ed.)
Those countries where shrubs are plenty. — Goldsmith