What is the meaning of Um-?

Prefix meaning around, about.

over, about, around

round, round about

repeatedly, over again, re-

in another way

to the ground, down, over

prefix form of -um-

Class 1 noun prefix; form of umu- used before stems of more than one syllable.

Class 3 noun prefix; form of umu- used before stems of more than one syllable.

Class 1 noun prefix; form of umu- used before stems of more than one syllable.

Class 3 noun prefix; form of umu- used before stems of more than one syllable.

Class 1 noun prefix; form of umu- used before stems of more than one syllable.

Class 3 noun prefix; form of umu- used before stems of more than one syllable.

prefix form of -um-

Class 1 noun prefix.

Class 3 noun prefix.

Class 1 noun prefix; form of umu- used before stems of more than one syllable.

Class 3 noun prefix; form of umu- used before stems of more than one syllable.

Source: wiktionary.org