Middle English maue, from Old English maga "stomach" (of men and animals, including fish and birds; in Modern English only of animals unless insultingly of humans), from Proto-Germanic *magan- "bag, stomach" (source also of Old Frisian maga, Old Norse magi, Danish mave, Middle Dutch maghe, Dutch maag, Old High German mago, German Magen "stomach"), from PIE *mak- "leather bag" (source also of Welsh megin "bellows," Lithuanian makas, Old Church Slavonic mošina "bag, pouch"). Meaning "throat, gullet" is from late 14c. Metaphoric of voracity from late 14c.