茅 (かや ちがや ち) — grass used for thatching; sedge used for thatching
茅
か や
か や
か や
Grass used for thatching; sedge used for thatching
Image search

ちがや is used in practice
Search results ちがや
白茅
cogon grass (Imperata cylindrica)
茅萱
cogon grass (Imperata cylindrica)
