To place in or entomb within a sepulcher; to bury or inter in a grave.
From en- + sepulcher (from Old French sepulcre, from Latin sepulchrum, meaning grave or tomb). The -er suffix here is not an agent noun but part of the verb form following the French pattern.
Ensepulcher is the formal, solemn verb form of burial—it appears in historical and religious texts where the dignity of entombment matters, giving the action a weight that simple 'bury' doesn't capture.
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