maddock
noun/ˈmædək/
Etymology From Middle English maddok, from an unrecorded Old English form corresponding to Old Norse maðkr (whence dialectal English mawk, Danish maddike, Swedish mask), originally a diminutive of the Proto-Germanic *maþô (“worm”) (whence Old English maþa), equivalent to made (“maggot”) + -ock.
1
Obsolete An earthworm or maggot.