badmouth

Etymology
Calque of a term, perhaps  or, which entered English via. Compare, which is a compound of  and.

Verb

 * 1)  To criticize or malign, especially unfairly or spitefully.

Translations

 * Bengali: গীবত গাওয়া
 * Catalan:
 * Dutch:
 * Finnish: ,
 * French:, ,
 * German: ,
 * Japanese:
 * Portuguese: falar mal
 * Romanian:
 * Russian:, , , обли́вать гря́зью
 * Swahili: sengenya
 * Swedish: tala illa om