Seclusion

google

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early 17th century: from medieval Latin seclusio(n- ), from secludere ‘shut off’ (see seclude).

wiktionary

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From Medieval Latin, from Latin seclusio, from secludere.

etymonline

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seclusion (n.)

1610s, from Medieval Latin seclusionem (nominative seclusio), noun of action from past participle stem of Latin secludere (see seclude).