noun
taming; domestication
Refers to the process or act of taming an animal, making it accustomed to humans. Often used in contexts of training wild animals or domesticating species.
野生の馬の飼い慣らしには時間がかかる。
Taming a wild horse takes time.
犬の飼い慣らしは子犬のうちに始めるのが良い。
It's best to start domesticating a dog while it's still a puppy.
Compound of 飼い (kai, 'keeping, raising') + 慣らし (narashi, 'accustoming, taming'). The kanji 慣らし is the nominalized form of 慣らす (narasu, 'to accustom').