Humorous alteration of conflagration, the -flagr- having been substituted with Latin nix (“snow”).
connixation (plural connixations)
- (rare) A large, smothering, and destructive blizzard.
1762, Horace Walpole, Private correspondence, page 136:
- As we have never had a rainbow to assure us that the world shall not be snowed to death, I thought last night was the general connixation.