noun
step; stairs; flight of stairs
Refers to a single step or a set of stairs, often in contexts like staircases, entrances, or outdoor steps. Can be used for both indoor and outdoor structures.
玄関の踏み段に座って靴を履いた。
I sat on the step at the entrance and put on my shoes.
この踏み段は一段が高いので気をつけてください。
Each step here is high, so please be careful.
Compound of 踏み (fumi, 'stepping', from verb 踏む) + 段 (dan, 'step'). The exact historical derivation is uncertain, but the word is transparently formed from its components.