The affix kan means also 'like this' when the imitation of a thing is to be expressed.,
The word कन् is understood here. Thus अश्व इवायमश्व प्रतिकृतिः = अश्वकः 'an imitation of a horse' in wood or clay &c. उष्ट्रकः, गर्दभकः ॥ Why do we say 'imitation ?' Observe गौरिव गवयः \The gayal cow\.,