I hadn’t read there were so many angles on the word. I had heard it came from Joyce and never dug deeper. I’m surprised that you quoted a passage from Oxford but didn’t check the OED. Joyce being Irish, the OED would better document the English he’d have been using. Merriam-Webster and derivatives are American English dictionaries.

From the OED:

Image

Honestly, I’m just surprised physicists don’t have a gif/jif thing going on with quork/quark pronunciation.