Is there any horse or dog breed that can be linked to IE expansion? Not the "standardized" post-Victorian breeds, but generic types, like scent hounds, gazehounds, sheepdogs, mastiffs, terriers, etc. How to explain the different names for the horse and how to link them to particular types: who was the original *h1ek^wo-, *marko-, *kaballo-/kobu:l-, horsa- ?
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