("hauakivi")

olemus
kataloogist kustutatud, kuid
andmebaasist kõrvaldamata objekt

Wiktionary:
3. (computing, Microsoft Windows) a marker that takes the place of deleted data, allowing for replication of the deletion across servers etc

ülevaateid
https://en.wikipedia.org/wiki/Tombstone_(data_store)

https://support.storagecraft.com/s/article/Understanding-Tombstones-Active-Directory-and-How-To-Protect-It?language=en_US