What is the meaning of Ber-?

-ing, used to form the continuative aspect of some verbs

used to form dynamic verb of some transitive verbs

to do something to the self.

to have; -ed, -d

to produce [base]

to use [base], to wear [base], to travel by [base]

to work, to engage in the [base].

to do [base] in reciprocal situation.

duration and length

used to form stative verbs

multiple

together in a group of [base]

(acting) in a number of groups of [base] at a time

-ing, used to form the continuative aspect of some verbs

used to form dynamic verb of some transitive verbs

to do something to the self.

alternative form of di-.

to have; -ed, -d

to produce [base]

to use [base], to wear [base], to travel by [base]

to work, to engage in the [base].

to do [base] in reciprocal situation.

used to form stative verbs

multiple

Source: wiktionary.org