lease (n.) Look up lease at Dictionary.com
late 14c., "legal contract conveying property, usually for a fixed period of time and with a fixed compensation," from Anglo-French les (late 13c.), from lesser "to let, let go," from Old French laissier "to let, allow, permit; bequeath, leave," from Latin laxare "loosen, open, make wide," from laxus "loose" (see lax). Modern French equivalent legs is altered by erroneous derivation from Latin legatum "bequest, legacy."
lease (v.) Look up lease at Dictionary.com
late 15c., "to take a lease," from Anglo-French lesser, Old French laissier "to let, leave" (see lease (n.). Related: Leased; leasing. Lessor, lessee in contract language preserves the Anglo-French form.