Alternative letter-case form of Shabbat
"The invitation to the community meal was sent out in all lowercase, writing shabbat instead of the usual capital S."
The Jewish Sabbath, from sundown Friday to nightfall Saturday, commemorating God's rest on the seventh day in the book of Genesis.
"We gather for Shabbat at sundown on Friday to light candles and commemorate God's rest before resting ourselves until nightfall on Saturday."