leging vs garment

leging and garment both are nouns.

Word	Noun	Adjective	Verb	Adverb
leging	Yes	No	No	No
garment	Yes	No	Yes	No

As nouns, garment is a hypernym of leging; that is, garment is a word with a broader meaning than leging:

leging: a garment covering the leg (usually extending from the knee to the ankle)
garment: an article of clothing

leging (noun)	garment (noun)
a garment covering the leg (usually extending from the knee to the ankle)	an article of clothing

leging (verb)	garment (verb)
	provide with clothes or put clothes on