*ser- (1)

Proto-Indo-European root meaning "to protect." It forms all or part of: conservation; conservative; conserve; hero; observance; observatory; observe; preserve; reservation; reserve; reservoir.


It is the hypothetical source of/evidence for its existence is provided by: Avestan haurvaiti "to guard;" Greek heros "hero;" Latin servare "to guard, keep, watch;" Old Church Slavonic xraniti "to guard, protect;" Old High German gi-sarwi "armor, equipment," Old English searu "art, skill; wile, deceit."

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