overmultiply

From over- +‎ multiply.

overmultiply (third-person singular simple present overmultiplies, present participle overmultiplying, simple past and past participle overmultiplied)

1. (intransitive) To multiply too much
2. to repeat too often.

• “overmultiply”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.