Don't know whether this is related, wwh, but here's a paste from Dictionary.com:

leiger

Leger \Leg"er\ (l[e^]j"[~e]r), n. [See Ledger.] 1. Anything that lies in a place; that which, or one who, remains in a place. [Obs.]

2. A minister or ambassador resident at a court or seat of government. [Written also lieger, leiger.] [Obs.]

Sir Edward Carne, the queen's leger at Rome. --Fuller.

3. A ledger.