This is the 6539th most frequent Russian word.
dihk
The word "дых" (transliterated as "dihk") in informal Russian refers to "breath" or "breathing."
Here, 'дыханье' is used as a noun referring to breathing or respiration.
Дыхание ребенка медленное и ровное.
The child's breathing is slow and steady.
In this sentence, 'дыхание' is the noun meaning breath.
Я почувствовал его горячее дыхание на своём лице.
I felt his hot breath on my face.
Here, 'дыхание' serves as a noun describing the act of breathing.