Kasha is both a Slavic/Eastern European food staple (roasted buckwheat groats) and a name used in Polish and Russian traditions as a diminutive of Katarzyna or Katerina — the Slavic form of Katherine. For a female pet, it lands in the food-name and the heritage-name categories simultaneously, with enough warmth in the sound to work either way.
The Slavic Diminutive Tradition
In Polish and Russian, Kasha functions like Kathy or Katie in English — it's what you call a Katarzyna at home. For owners with Polish or Russian heritage, naming a pet Kasha is a quiet affectionate nod to that tradition without requiring the full formal name. The human name Katherine has a deep lineage of international diminutives; Kasha is the Eastern European version that rarely makes it into American baby naming but lands naturally in pet naming.
The Food Layer
Kasha as buckwheat porridge is a staple of Jewish and Eastern European cooking — warming, earthy, unpretentious. For owners who love the food, naming a pet Kasha is the same impulse as naming one Biscuit or Pretzel: a domestic comfort transferred into a proper noun. Russian Toys and Samoyeds carry the Slavic connection naturally.
The Counter-Reading: Which One Are You Referencing?
Most people who hear Kasha will assume it's a food name. That's fine if the owner intends warmth and doesn't need the heritage layer acknowledged. If the Katherine connection matters, it will require some unpacking at introductions.