Russian · Numbers & Time
День
den
Day
Beginnernoun · masculine
Definition
A period of 24 hours.
Example
Хорошего дня!
Have a good day!
Etymology
'День' (den) is derived from Proto-Slavic *dēnĭ, which can be traced back to Proto-Indo-European *dyeus, related to the concept of daylight.
How & Where It’s Used
'День' is prevalent in both spoken and written Russian, used across all registers and contexts, often in everyday conversation or literature.