Welsh edit

Etymology edit

From effaith +‎ -io.

Pronunciation edit

Verb edit

effeithio (first-person singular present effeithiaf)

  1. (intransitive) to have an effect, to be effective, to work
  2. (transitive) to affect

Conjugation edit

Derived terms edit

Mutation edit

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