The office, rank, or state of being an archpriest; the collective body of archpriests or their authority.
Archpriest plus -hood (a suffix meaning state or condition). This religious term appears in church records discussing governance and clerical rank.
Just as 'priesthood' means the office and authority of priests collectively, 'archpriesthood' refers to the high office of senior priests—the leadership tier of the clergy.
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