This is the 2913th most frequent Arabic word.
وأمس
"Yesterday."
In this sentence, 'وأمس' (and yesterday) is used to indicate an event that took place the day before, providing a time context.
ذهبت إلى السوق وأمس اشتريت فاكهة طازجة.
I went to the market, and yesterday I bought fresh fruits.
Here, 'وأمس' (and yesterday) functions to connect two actions, one in the past and one specifying it was yesterday.
قرأنا الكتاب وأمس ناقشنا محتواه.
We read the book, and yesterday we discussed its contents.
In this sentence, 'وأمس' (and yesterday) serves to introduce a new clause detailing the specific events that occurred yesterday.