This is the 989th most frequent Hebrew word.
חלה
The Hebrew word "חלה" can mean "challah" (a type of bread), "became sick," or "initiated/began," depending on context.
In this instance, 'חלה' is used as a verb meaning 'to become ill'.
כשסבא חלה, הלכנו לבקר אותו בבית החולים.
When Grandpa became ill, we went to visit him in the hospital.
In this sentence, 'חלה' refers to challah, which is a type of braided bread traditionally eaten in Jewish culture.
אתמול אכלנו חלה לארוחת ערב.
Yesterday we ate challah for dinner.
Here, 'חלה' is a verb form meaning 'to begin (a disease)' or 'to befall'.