-ory


-ory
Ⅰ.
-ory [1] SUFFIX (forming nouns) denoting a place for a particular function: dormitory.
ORIGIN Latin -oria, -orium.
Ⅱ.
-ory [2] SUFFIX forming adjectives relating to or involving a verbal action: compulsory.
ORIGIN Latin -orius.

English terms dictionary. 2015.