Webster's Revised Unabridged Dictionary · 1913

Impend

Impend , transitive verb

[Latin impendere; pref. im- in + pendere to weigh out, pay.]

To pay. [Obsolete] — Fabyan

Impend , intransitive verb

[Latin impendēre; pref. im- in + pendēre to hang. See Pendant.]

To hang over; to be suspended above; to threaten from near at hand; to menace; to be imminent. See Imminent.
Destruction sure o'er all your heads impends. — Pope