curmudgeon

A covetous old fellow, derived, according to some, from the French term coeur mechant.

Curmudgeon
·noun An avaricious, grasping fellow; a miser; a niggard; a churl. ...

Webster's Dictionary of the English Language
curmudgeon
An avaricious, churlish fellow; a miser. In explaining this word, Dr. Ash made a ludicrous mistake, ...

Dictionary of American Words And Phrases by John Russell Bartlett.