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Kotomora

階

storey, stair, counter for storeys of a building

JLPTN2StatusJōyō · grade 3FrequencyTop 1,000Strokes12

Readings

On'yomi

  • カイ

Kun'yomi

  • きざはし

Nanori

  • しな
  • と
  • はし

Meaning

階 centers on layered levels in a structure: a storey of a building, a stair connecting levels, or counting floors. The idea is always about stacked horizontal divisions.

Most common words using 階

20 of 190
  • 階かい
    N3

    storey; story; floor

  • 段階だんかい
    N2

    stage; step; phase

  • 階段かいだん
    N5

    stairs; stairway; staircase

  • 階級かいきゅう
    N1

    (social) class

  • 階層かいそう
    N1

    class; level; stratum; layer; hierarchy

  • 最上階さいじょうかい

    top floor

  • 音階おんかい

    scale

  • 階上かいじょう

    upper floor; upstairs

  • 階下かいか

    lower floor; downstairs

  • 地階ちかい

    basement; cellar

  • 各階かくかい

    each floor

  • 階数かいすう

    number of stairs or stories (storeys)

  • 位階いかい

    court rank

  • 一階いっかい
    N5

    first floor; ground floor

  • 二階にかい
    N5

    second floor; upstairs

  • 二階建てにかいだて
    N4

    two-storied building

  • 現段階げんだんかい
    N2

    present stage; current phase

  • 中産階級ちゅうさんかいきゅう

    middle class; bourgeoisie

  • 階級闘争かいきゅうとうそう

    class struggle; class warfare; class conflict

  • 中二階ちゅうにかい

    mezzanine floor

Explore all words using 階 →

Study

Etymology

階 combines ⻖ (hill, mound, or steps) with 皆, which likely contributes the sound. Together they suggest a stepped rise like a stairway or tiered levels.

Meaning mnemonic

The left side ⻖ looks like a stepped hill or mound, and the right side 皆 suggests a row of similar things. Picture a staircase where each step is one of many identical levels.

Reading mnemonic

For カイ, imagine climbing stairs to a high floor and looking out at a calm bay: bay -> カイ, and each storey gives a better view of the bay.