The word(s) "stairway" appears 3 time(s) in 3 verse(s) in Quran in Saheeh International translation.

(1) And if their evasion is difficult for you, then if you are able to seek a tunnel into the earth or a stairway into the sky to bring them a sign, [then do so]. But if Allah had willed, He would have united them upon guidance. So never be of the ignorant.

(2) And if it were not that the people would become one community [of disbelievers], We would have made for those who disbelieve in the Most Merciful - for their houses - ceilings and stairways of silver upon which to mount

(3) Or have they a stairway [into the heaven] upon which they listen? Then let their listener produce a clear authority.