From Wiktionary, the free dictionary
᠊ᡤᠠᠨ • (-gan) (complying with vowel harmony)
- Suffix used to form diminutives from nominal words.
- ᠪᡳᡵᠠ (bira, “river”) + ᠊ᡤᠠᠨ (-gan) → ᠪᡳᡵᠠᡤᠠᠨ (biragan, “small river”)
- Derivative suffix used to form nouns.
- ᠨᡳᡵᡠ᠊ (niru-, “to draw”) + ᠊ᡤᠠᠨ (-gan) → ᠨᡳᡵᡠᡤᠠᠨ (nirugan, “drawing”)
- (suffix used to form diminutives) ᠊ᡤᡝᠨ (-gen)