Looks like the etymology of 'kibble' is unknown, much like the etymology of 'dog' so the whole thing is definitely suspicious. https://www.etymonline.com/searc

Looks like the etymology of 'kibble' is unknown, much like the etymology of 'dog' so the whole thing is definitely suspicious. https://www.etymonline.com/search?q=kibble https://www.etymonline.com/search?q=kibble