1 Бела, как ранний снег холмов, / Выходит женщина нагая The rusalka is most commonly viewed as a sort of siren, an attractive and seductive woman who lives in the water and lures men to their death by drowning.
2 На третий день That the monk succumbs to the rusalka’s call only on the third day is an example of trebling, or the tendency for components of a folkloric (or, in this case, pseudo-folkloric) text to happen three times.