sanction (noun) – permission or approval from an authority that provides validation; a penalty or enactment of a law
BREAKDOWN: SANCT- (sacred or holy) + -ION (state or act)
— to sanction is either to authorize and approve or to penalize
This word is built on the root SANCT-, which means sacred or holy.
Common SANCT- words include include saint and sanctuary.
More esoteric SANCT- words include sanctificate, sanctity, and sanctiloquence.