German · Numbers & Time
Ten
The number ten.
Es ist zehn Uhr.
It is ten o'clock.
'Zehn' comes from the Proto-Germanic '*dekəm', which is derived from the Proto-Indo-European '*dekhom', meaning 'ten'. The form has been consistent in Germanic languages.
'Zehn' is applicable in both spoken and written contexts, used informally and formally in various situations. It is recognized across all German-speaking areas.