Manx edit

Etymology edit

From co- +‎ focus + -agh.

Adjective edit

co-focusagh

  1. (optics, mathematics) confocal

Mutation edit

Manx mutation
Radical Lenition Eclipsis
co-focusagh cho-focusagh go-focusagh
Note: Some of these forms may be hypothetical. Not every
possible mutated form of every word actually occurs.