(tōng, ㄊㄨㄥ) to go through; to know well; to connect; to communicate; open [CE-DICT]
过
(guò, ㄍㄨㄛˋ) (experienced action marker); to cross; to go over; to pass (time); to celebrate (a holiday); to live; to get along; excessively; too-; surname Guo [CE-DICT]
晋
(しん) (n) (See 西晋,東晋) Jin (dynasty of China, 265-420 CE) [EDICT]
(Jìn, ㄐㄧㄣˋ) the Jin dynasties (265-420); the Western Jin 西晉|西晋 (265-316), Eastern Jin 東晉|东晋 (317-420) and Later Jin dynasty (936-946); abbr. for Shanxi province 山西 [CE-DICT]
城
(しろ) ปราสาท [LongdoJP]
(き) (n) fortress (surrounded by a wall, moat, etc.) [EDICT]