μέρμερος

Etymology
Under, the primary thematic root-verb 🇨🇬, 🇨🇬 was adduced. The length of the vowel in, was explained by Frisk from the verb , where he ascribed it to the meter. Yet, this is no sufficient explanation: the interchange ε/η rather points to origin, according to Beekes.

Adjective

 * 1) mischievous, baneful
 * 2)  captious, fastidious