This is the 29th most frequent Arabic word.
كانت
"كانت" means "was" in English, used as the feminine third-person singular past tense of "to be."
The word "كانت" in this sentence is used as a feminine singular past tense verb to mean "was," indicating a state in the past.
كانت السماء صافية أمس.
The sky was clear yesterday.
Here, "كانت" indicates a habitual action in the past associated with the subject, denoting "she used to."
كانت تحب القراءة كثيرًا.
She used to love reading a lot.
In this usage, "كانت" conveys a state of being in the past for an object associated with the subject, describing "was closed."