What does undas mean in tagalog?

"Undas" is a shortened version of the Tagalog phrase "Araw ng mga Patay" which translates to "Day of the Dead". It is the Filipino term for All Saints' Day (November 1) and All Souls' Day (November 2).

It's a time for Filipinos to visit the graves of their departed loved ones, clean them, and offer prayers and remembrance.