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螺旋階段 (らせんかいだん) Japanese meaning | Kotomora

螺ら旋せん階かい段だん

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Meanings

1

spiral staircase

Refers to a staircase that curves around a central pole or open space.

この塔とうには狭せまい螺ら旋せん階かい段だんがある。
This tower has a narrow spiral staircase.

螺ら旋せん階かい段だんを上のぼると、屋おく上じょうに出でられる。

If you go up the spiral staircase, you can get to the rooftop.

Kanji

螺small, edible, helical fresh-water mollusk
旋rotation, go around
階storey, stair, counter for storeys of a building
段grade, steps, stairs

Related words

階かい段だん
General word for stairs or staircase; 螺旋階段 specifically means a spiral staircase.
螺ら旋せん
Means 'spiral' or 'helix'; 螺旋階段 is a compound using this word.

Built from

螺ら旋せん+階かい段だん

Written forms

螺ら旋せん階かい段だん
Standard kanji spelling.
らせん階かい段だん
Mixed kana-kanji spelling; common when the first kanji is considered difficult.

Etymology

Compound of 螺旋 (rasen, 'spiral') and 階段 (kaidan, 'staircase').