What is the meaning of Over-?

Above, or higher.

Superior.

Excessive; excessively.

Surrounding or covering.

Exceptional; extremely or intensely.

usually the same as over- in English.

prepended to verbs; denotes that action takes place over the object

prepended to verbs, nouns and adjectives; denotes that the action or state takes place excessively

usually the same as over- in English.

usually the same as over- in English.

Source: wiktionary.org