Hinny

Japanese: hinny

…In the former case, the resulting individual is generally sterile. Famous examples of interspecific fertilization leading to the formation of an individual include the mule, which is born between a female horse and a male donkey, and the hinny, which is born between a female donkey and a male horse. In addition, the birth of the leopon, which is born between a male leopard and a female lion, the liger, which is born between a male lion and a female tiger, and the tigon, which is born between a male tiger and a female lion, are also occasionally reported.

From [Donkey]

...Asian wild asses are not domesticated.
[Horse-Hybrid]
There are two types of hybrids between donkeys and horses: the mule and the hinny. The mule is the hybrid of a female horse and a male donkey, and the hinny is the hybrid of a male horse and a female donkey. Both are almost always infertile.

*Some of the terminology that mentions "hinny" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…前者の場合，生じた個体は原則として不稔である。異種間受精で個体形成に至る例としては，雌ウマと雄ロバの間に生ずるラバmule，雌ロバと雄ウマとの間に生ずる駃騠（けつてい）hinnyが有名である。そのほか，ヒョウの雄とライオンの雌の間に生じたレオポンや，ライオンの雄とトラの雌の間に生じたライガー，またはトラの雄とライオンの雌の間にできるタイゴンの誕生もときおり報道される。…