蹴け上あげ

noun

riser; rise

Architectural term for the vertical part of a step or stair. Used in building and construction contexts.

• 階かい段だんの蹴け上あげの高たかさは15センチに設せっ定ていした。

  The riser height of the stairs was set to 15 centimeters.

• 蹴け上あげが低ひくいと、階かい段だんを上のぼりやすくなる。

  If the riser is low, the stairs become easier to climb.