Where does “Circassian” come from?

Circassian derives from English Circassia, through Italian -ana and Spanish -ana from Latin -anus, ultimately from Proto-Italic -os, a suffix forming adjectives of origin or belonging.

Circassian (English): Of or pertaining to Circassia or Circassians

Definitions

Of or pertaining to Circassia or Circassians

Ancestry of “Circassian”, step by step

Step	Language	Word	Meaning
1	English	-án	Of or pertaining to;. Often added to words of Latin origin, but also used with words of other origins. When a word ends in a
2	Middle English	-an	—

Every word from Middle English -an →Every word from English -án →