млънии

Alternative forms
The variant with initial млъ- is more common than the variant with мль-.

Etymology
From.

Noun

 * 1) lightning
 * 2) * 11th century, , Luke 10:18:
 * "cu"

- видѣхъ сотонѫ ꙗко млъниѭ съ нб҃е съпадъша