Manx edit

Etymology edit

From tree- +‎ act + -agh.

Adjective edit

tree-actagh

  1. (theater) three-act

Mutation edit

Manx mutation
Radical Lenition Eclipsis
tree-actagh hree-actagh dree-actagh
Note: Some of these forms may be hypothetical. Not every
possible mutated form of every word actually occurs.