Meaning of -ARY in English

-ARY

1.

suffix.

1. forming adjectives (budgetary; contrary; primary; unitary).

2 forming nouns (dictionary; fritillary; granary; January).

Etymology: F -aire or L -arius 'connected with' 2.

suffix forming adjectives (military).

Etymology: F -aire or f. L -aris 'belonging to'

Oxford English vocab.      Оксфордский английский словарь.