Crossword Genius

Literally, 'dwarf dog', from the Welsh (5)

Ross

I believe the answer is:

corgi

(Other definitions for corgi that I've seen before include "Royal pet" , "Pre-2018 royal dog" , "Queen likes this" , "Barker?" , "pet in 9 [CARDIFF]?" .)

I've seen this clue in The Guardian.
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