puppy; pup
Colloquial and slightly affectionate or dismissive term for a puppy or small dog. The suffix ころ adds a sense of smallness or cuteness.
The neighborhood puppy is playing in the yard.
That little pup is really friendly, isn't it?
Variant with katakana コロ, often used for emphasis or in casual contexts.
Compound of 犬 (inu, 'dog') and the diminutive suffix ころ (koro), which conveys smallness or cuteness. The suffix is also seen in words like 子猫ころ (konekokoro, 'kitten').