-икъ

Etymology
From.

Suffix

 * 1) -er, -or; Deadjectival nominalizing suffix used chiefly to create a masculine agent noun from adjectives in -ин- and passive participles in -ен-.
 * Isolated example is, which has the suffix appended directly to the root , and has diminutive (or singulative) meaning.
 * Isolated example is, which has the suffix appended directly to the root , and has diminutive (or singulative) meaning.