Impend :: Impend (v. i.) To hang over; to be suspended above; to threaten frome near at hand; to menace; to be imminent. See Imminent.
Impendency :: Impendency (n.) The state of impending; also, that which impends..
Impending :: Impending (a.) Hanging over; overhanging; suspended so as to menace; imminet; threatening.