kākenga, n. Way of ascent, ladder, stairway.

Kua topa te tangata mei runga i te kākenga ki raro.
The man fell down off the ladder. Ara kākenga, flight of steps, stairway.

Kua kake mātou ki te ta‘ua i runga nā runga i te ara kākenga.
We went up a flight of stairs to the floor above. [kake, -nga².]