Translation of "amultsu" into English

Katakume goxo baten irudia etorri zitzaidan, ordea, handik pixka batera: eskura gerturatu zitzaidan laztan eske; nire oinetan etzanda ikusi nuen, lo, tripa txikia puzten eta husten, amultsu.

However, a little later, an image of a cute kitten came to me: it came to my hand to be petted; I saw it lying at my feet, sleeping, its little belly swelling and emptying, peacefully.