The spelling of the word "bacon spleen" might seem confusing to those unfamiliar with its origin. The term stems from a regional dialect in the United Kingdom where "bacon" is pronounced as "buh-kun" and "spleen" as "splai-n". As a result, the phonetic transcription of "bacon spleen" would be /ˈbʌ.kən spliːn/. While this peculiar pronunciation might be challenging for some, it serves as a reminder of the rich linguistic diversity that exists in different parts of the world.
Amyloid degeneration of the spleen giving it in parts the appearance of bacon; lardaceous s.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.