This is the 7076th most frequent Portuguese word.
julian
The Portuguese word "julian" does not have a specific meaning; it may refer to a proper name.
In this sentence, 'Julian' functions as a proper noun, specifically a person's name, indicating the subject who is performing the action of going to school.
O Julian está indo para a escola.
Julian is going to school.
Here, 'juliano' (Julian) is used as an adjective to specify the type of calendar being referred to, deriving from Julian's association with it, namely Julius Caesar.
Eles discutiram sobre o calendário juliano.
They discussed the Julian calendar.
In this instance, 'Julian' is part of a proper noun formed in a context of a historical or fictional figure, showing surname or titular usage.