Accessoire.
ETYM Latin accessorius. Related to Access, Accessary.
Relating to something that is added but is not essential; SYN. adjunct, ancillary, adjuvant, appurtenant, auxiliary, subsidiary.
1. Aiding and abetting in a crime
2. Furnishing added support
ETYM Cf. French secondaire, Latin secundaire. Related to Second.
1. Of second rank or importance or value; not direct or immediate.
2. Not of major importance.
3. Depending on or incidental to what is original or primary.
4. Belonging to a lower class or rank.
Of the stage of education and schools preceding collegiate; SYN. high.