A half shadow. The partially shaded outer region of the shadow cast by an opaque object. Also, A peripheral or indeterminate area or group.
Mid 17th century: modern Latin, from Latin paene ‘almost’ + umbra ‘shadow’.
“As I dodged the heat of the day, standing in the penumbra of the large mansion house.”
“The problem is the penumbra of theory expands the potential answer too greatly.”
Something or someone that one vehemently dislikes/ A strong curse.
Early 16th century: from ecclesiastical Latin, ‘excommunicated person, excommunication’, from Greek anathema ‘thing dedicated’, (later) ‘thing devoted to evil, accursed thing’, from anatithenai ‘to set up’.