English
leaf tier
From leaf + tier.
Proto-Germanic *laubą
Proto-West Germanic *laub
Old English lēaf
Middle English lef ‘Foliage’
English leaf
The story
So named for the larvae tying together leaves with silk strands.
Today it means
noun Several moth species whose larvae live in a folded leaf held together by silk strands.
Language periods are conventional ranges, not dates for this word.
Etymograph / leaf tier