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ob-tĕnebrātĭo: ōnis, f. obtenebro,I darkness (eccl. Lat.), Jul. ap. Aug. c. Sec. Resp. Jul. 5, 49.
obtĕnĕbrātĭō, ōnis, f. (obtenebro), obscurcissement : Jul. d. Aug. Imp. Jul. 5, 44.