Belabor -

(Less common) To hit or beat someone repeatedly.

"The speaker belabored the issue until the audience lost interest". Key Comparisons Labor vs. Belabor - DAILY WRITING TIPS belabor

To harp on a point far longer than necessary. (Less common) To hit or beat someone repeatedly

"I don't want to belabor the point , but we really are running out of time". belabor

The word is most often used in the idiom or "belabor the obvious" .

To assail someone persistently with words or ridicule. How to Use It Correctly