This is the 21st most frequent Slovenian word.
bil
"Bil" in Slovenian means "was" (past tense of "to be").
Here, 'bil' is the past tense of the verb 'biti' (to be), used to describe a past state.
Včeraj sem bil v parku.
Yesterday I was in the park.
In this sentence, 'bil' is used in the conditional form, expressing a hypothetical situation.
Če bi bil doma, bi ti pomagal.
If I were at home, I would help you.
In this example, 'bil' indicates a past state or attribute of the subject.