Part of speech: Noun
(folklore) fairies that are somewhat mischievous
Hob, Gremlin, Elf, Imp, Brownie
The word "gremlin" comes from Old English gremman, which comes from Middle English gremly.
ling – A related word in the same word family.
goblin – A related word in the same word family.
Most of English's most common words—'the', 'be', 'have'—come from Old English roots.