mermar

Etymology
From, from , from.

Verb

 * 1) to reduce; to diminish

Etymology
Ultimately from, a verb based on. Considering its rather late date of first attestation in Spanish (1603) and the absence of an inherited Portuguese counterpart, Coromines & Pascual suppose it was likely borrowed, through mercantile contacts, from, a term well-attested since the twelfth century.

Verb

 * 1) to reduce