Damnation

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Middle English: via Old French from Latin dam(p)natio(n- ), from the verb dam(p)nare ‘inflict loss on’ (see damn).

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From Middle English dampnacioun, from Old French dampnacion, from Latin damnatio.

etymonline

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damnation (n.)

c. 1300, dampnacioun, "condemnation to Hell by God," also "fact of being condemned by judicial sentence," from Old French damnation, from Latin damnationem (nominative damnatio), noun of action from past-participle stem of damnare "to doom, condemn" (see damn). As an imprecation, attested from c. 1600.

Damnation follows death in other men,

But your damn'd Poet lives and writes agen.

[Pope, letter to Henry Cromwell, 1707 or 1708]