The Collaborative International Dictionary
Decession
Decession \De*ces"sion\, n. [L. decessio, fr. decedere to
depart. See Decease, n.]
Departure; decrease; -- opposed to accesion. [Obs.]
--Jer.
Taylor.
Douglas Harper's Etymology Dictionary
decession
c.1600, from Latin decessionem, noun of action from past participle stem of decedere "to go down, depart" (see decease (n.)).
Wiktionary
decession
n. (context obsolete English) departure; decrease
Usage examples of "decession".
But speaking generally, let me say this: Without concrete proof of an actual act of decession, it will take substantial time to establish the validity of the heir’s tenancy and rights and subsequent transfer of ownership of those rights and the concomitant property.