cession (n.) Look up cession at Dictionary.com
late 14c., "a relinquishing," from Old French cession "cession; death" (13c.), from Latin cessionem (nominative cessio) "a giving up, surrendering," noun of action from past participle stem of cedere "to go away, yield" (from PIE root *ked- "to go, yield"). Related: Cessionary.