From Wiktionary, the free dictionary
From Old Irish múchaid (“covers over, suffocates, quenches, extinguishes”), from múch (“smoke, stifling vapour”).
moogh (verbal noun mooghey)
- to stifle, quench
- to turn off
Note: Certain mutated forms of some words can never occur in standard Manx.
All possible mutated forms are displayed for convenience.