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.”
Abreption (noun) (rare)
To snatch something away, an instance of complete separation and removal.
Mid 16th century. From post-classical Latin abreption-, abreptio action of snatching away (636 in Isidore; also in an undated inscription) from classical Latin abrept-, past participial stem of abripere + -iō.
Pompous or extravagant in language, style, or manner, especially in a way that is intended to impress.
Late 16th century: from Latin grandiloquus, literally ‘grand-speaking’, from grandis ‘grand’ + loqui ‘speak’. The ending was altered in English by association with eloquent.