Russian · Numbers & Time
Один
odin
One
Beginnernumeral · masculine
Definition
The number 1.
Example
У меня один брат.
I have one brother.
Etymology
Один (odin) has Proto-Slavic roots, referring to the numeral 'one'. It has maintained its form throughout centuries in Slavic languages.
How & Where It’s Used
Один is used in both formal and informal contexts, common in spoken language, literature, and in written mathematical or everyday situations.