-idian
suffix
- (denoting relation to a particular place or region)
Wiktionary
suffix
Etymology: From the ending -idian, on the model of annelidian, arachnidian, ascidian, etc. By surface analysis, -id + -ian.
- Forming nouns or adjectives.
Etymology: From the ending -idian, on the model of annelidian, arachnidian, ascidian, etc. By surface analysis, -id + -ian.