entombment

ɪnˈtuːmˌm(ə)nt
ɛnˈtuːmˌm(ə)nt

noun

the placing of a dead body in a tomb; interment.

the entombment of Christ

interment,laying to rest,burial,burying,consignment to the grave,committal,inhumation,funeral,obsequies,exequies