plusquamperfect
nounUK /ˌplʌs.kwæmˈpɜː.fɪkt/ · US /ˌplʌs.kwæmˈpɝ.fɪkt/
Etymology From Latin plusquamperfectum (“more than perfect”), from plus (“more”) + quam (“than”) + perfectum, neuter singular of perfectus (“achieved; finished; perfected”).
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Grammar, Human sciences, Linguistics, Sciences Pluperfect, Rare pluperfect