as·ses·sion | \əˈseshən, aˈ-\
plural -s

Definition of assession 

1 archaic : session

2 [ probably from assess + -ion ] : the assessing or renting of a lord's demesnes in the duchy of Cornwall

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Other Words from assession

assessionable \-sh(ə)nəbəl \ adjective
assessional \-shənᵊl, -shnəl \ adjective

History and Etymology for assession

Latin assession-, assessio, from assessus (past participle of assidēre to sit beside) + -ion-, -io -ion

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