Meaning: ⲙⲓⲗ-, probably hypocoristic for or abbreviation of ⲙⲓⲭⲁⲏⲗ + ⲁⳡ-, 'to live' + -ⲁ (predicative) = 'living Michael' or 'Michael lives'? Otherwise, cf. ⲙⲓⲉⲗ-, 'fault', or ⲙⲓⲗⲗ̄-, 'bad', but they seem hardly likely as onomastic elements.
Inspiration: one of Archangels.