Nice piece on the Quo/ Welch discontinuum EG.
I looked up Welch and found the following:
welsh /wɛlʃ, wɛltʃ/ Pronunciation [welsh, welch]
–verb (used without object) Informal: Sometimes Offensive.
1. to cheat by failing to pay a gambling debt: You aren't going to welsh on me, are you?
2. to go back on one's word: He welshed on his promise to help in the campaign.
Also, welch.
The harder the conflict, the more glorious the triumph