كتر

Etymology 1
From.

Verb

 * 1) to be many, to be numerous
 * 2)  to increase, to multiply

Etymology 2
From.

Verb

 * 1) to increase

Derived terms

 * 1) كتّر خير ك (kattar ḵērak/ḵayrak, “much obliged” (meant seriously), “thanks a bunch” (meant sarcastically))