effaith tŷ gwydr

Welsh

Etymology

Calque of English greenhouse effect.

Noun

effaith tŷ gwydr f (uncountable)

1. greenhouse effect

Mutation

Welsh mutation
radical	soft	nasal	h-prothesis
effaith tŷ gwydr	unchanged	unchanged	heffaith tŷ gwydr
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.