0 Old HSK word(s):
太上皇* *

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

太 very, too, much / big / extreme
上 top / superior, highest / go up, send up
皇 royal, imperial / ruler, superior

Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual