0 Old HSK word(s):
戴绿帽* *

Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.

戴 wear on top / support
绿 green / chlorine
帽 hat, cap / cap-like tops

Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual