мрезгав

Etymology
According to Bulgarian Etymological Dictionary,, akin to 0-grade verb. Has been also compared with 🇨🇬, on the assumption of irregular alternation *br- ↔ *mr-.

Gerov spells the lemma with nasal -ѧ-, perhaps in analogy with (rhyming) near-synonym <.

Adjective

 * 1)  dark, gloomy, sombre