This is the 3107th most frequent German word.
christos
"Christos" is not a German word; it is Greek, meaning "Christ" or "the Anointed One."
In this sentence, 'Christos' is used as a proper noun referring to a person's name.
Christos studiert an der Universität in München.
Christos studies at the university in Munich.
Here, 'Christos' is a part of a religious phrase meaning 'Christ is risen!' in Greek, used in cultural and religious contexts.
Die Liturgie begann mit dem Ruf "Christos Anesti!".
The liturgy began with the call, 'Christos Anesti!'
In this case, 'Christos' refers to a theological term denoting Christ in ancient scripts or teachings.