Webster's Revised Unabridged Dictionary · 1913

Earldom

Earldom , noun

[Anglo-Saxon eorl-d{not transcribed}m; eorl man, noble + -d{not transcribed}m -dom.]

1.
The jurisdiction of an earl; the territorial possessions of an earl.
2.
The status, title, or dignity of an earl.
He [Pulteney] shrunk into insignificancy and an earldom. — Chesterfield