κίβδηλος

Etymology
. Possibilities include:
 * Metathesized from the root  /  (🇨🇬) related to lies. Namely it is the verbal noun 🇨🇬, 🇨🇬,  with  adjective formant -alla-. Another derivation of the Semitic root is attested in another borrowing as.
 * According to Beekes, of origin.

Adjective

 * 1) base, fake, counterfeit (especially of coins)
 * 2) deceitful, dishonest, fraudulent

Etymology
From.

Adjective

 * 1) false, fake, counterfeit