Webster's Revised Unabridged Dictionary · 1913

Mammon

Mammon (mam"mun) , noun

[Latin mammona, Greek mammwna^s riches, Syr. mamōnā; compare Hebrew matmōn a hiding place, subterranean storehouse, treasury, from tāman to hide.]

Riches; wealth; the god of riches; riches, personified.
Ye can not serve God and Mammon. — Matt. vi. 24