-ающий

Suffix

 * 1) -ing, -ent, -ive (present participle active: "which is ...-ing").

Usage notes

 * The suffix may or may not be stressed, depending on the stress of the underlying verb.
 * Some present active participles also function as adjectives, in which case they may (although will not always) gain short forms of class a (-щ, -ща, -ще, -щи).