What is the meaning of Mu-?

Alternative form of mo-

Rōmaji transcription of

you plural (used for conjugating verbs to the subjective or nominative case of the personal pronoun)

second person singular nominative proclitic

forms causative verbs from verbs

him, her, it; class 1 object concord.

Class 1 noun prefix.

him, her, it; class 1 object concord.

him, her, it; class 3 object concord.

Class 3 noun prefix.

you, second-person plural subject concord.

Augmentless form of umu- (class 1 or 3 noun prefix)

class 1 or 3 concord prefix for adjectives

him, her, it; class 1 object concord.

heat, fire, emotion

relating to a short object in the air

him, her, it; class 1 object concord.

you, you all; 2nd person plural subject concord

Class 1 noun prefix.

Class 3 noun prefix.

m class(I) noun prefix and adjective agreement prefix used before /u/ and /w/

m class(III) noun prefix and adjective agreement prefix used before /u/, /w/, and occasionally /h/

you, 2nd person plural subject concord used before /u/ and /w/

verb-initial form of -mu- (her, him; 3rd person singular (m class(I)) object concord used before /u/ and /w/)

therein, mu class(XVIII) subject concord used before /u/ and /w/

Class 1 noun prefix.

Class 3 noun prefix.

Class 1 noun prefix.

Class 3 noun prefix.

Class 1 simple noun prefix.

him, her, it; class 1 object concord.

Class 3 simple noun prefix.

Source: wiktionary.org