This is the 26th most frequent Slovenian word.
sem
"Sem" in Slovenian means "I am" or "here" depending on context.
Here, 'sem' can function as an auxiliary/modal complement to indicate the physical action's direction in relation to the speaker or add emphasis to the subject's role.
Knjižnica sem obiskal včeraj.
The library is where I paid a visit yesterday.
In this sentence, 'sem' is the first person singular form of the verb 'to be', indicating a state of being.
Jaz sem učitelj.
I am a teacher.
In this sentence, 'sem' is part of the past tense construction in Slovenian, introducing the first person singular form of the perfect tense.