the.com/cleric

A healer with a sword who argues theology on your behalf, mid-combat.

means A member of the clergy — someone ordained for religious duties in a church.

from From Old French clerc, via Latin clericus, from Greek klērikos ('belonging to the clergy'), rooted in klēros meaning 'lot' or 'inheritance' — the share assigned to priests. The same Greek root gave English 'clerk,' since clergy were long the literate, document-keeping class; the two words split apart over centuries, one keeping the robes, the other the paperwork.

d&d origin
Invented because players kept refusing to play priests
real meaning
From Greek kleros, meaning lot or inheritance, i.e. chosen
weapon rule
Historically barred from edged weapons, hence favored maces
job description
Part medic, part lawyer, arguing with gods for refunds
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