0 Old HSK word(s):
本行* * 老本行* *

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

老 old, aged / experienced
本 root, origin, source / basis
行 go / walk / move, travel / circulate

Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual