|KEY WORD : architecture / general terms|
or storey, and also a counter for floors in a building. For example, nikai
二階 refers to the second floor or can be used to describe a two-storied structure.
It follows that sangai 三階 means third floor or three stories etc.
Kaika 階下 means downstairs or lower floor; kaijou 階上, upstairs
or upper floor. Double shelving can be described as nikaidana 二階棚.
Kai in the sense of story or floor is synonymous with *sou
層, kyuu 級 or *juu 重.
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