E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Sell.
A saddle. Vaulting ambition oerleaps its sell (Macbeth, i. 7). (Latin, sella; French, selle.) Window sill is the Anglo-Saxon syl (a basement).
1
He left his loftie steed with golden sell.
Spenser: Faërie Queene, ii. 2.
Sell, sold. Made a captive, as a purchased slave. St. Paul says he was sold under sin (Rom. vii. 14). (Anglo-Saxon, sell-an, to give.)
2
A sell. A do, a deception, a takein. Street vendors who take in the unwary with catchpennies, chuckle like hens when they have laid an egg, Sold again, and got the money!