меркти

Etymology
From earlier, with the infinitive probably formed by analogy with past tense forms: ме́ркнути → мерк, ме́ркла +  → ме́ркти.

Verb

 * 1) to dim, to fade, to go out
 * 2)  to get/grow dark
 * 3)  to fade
 * 4)  to fade, to diminish, to vanish
 * 5) to fade, to lose significance, to pale in comparison with