室
シツ, むろ

room, apartment, chamber, greenhouse, cellar

JLPT4 G2 S9 F550

至# stopping point + 宀 roof/building → *room*/chamber representing a stopping point (i.e. leading on to no other rooms) in a *house* → *deep cavern* (compare 窒); *cellar* → *greenhouse*. Also, *dynastic family* (compare 家).

[Full Kanji Etymology List]