zhī​shàng

on; above

之上 zhī​shàng
on; above locative
(bound form) used after a noun to indicate a position physically on top of or above something
above; beyond locative
(bound form) used after a noun or number to indicate a level, rank, or amount higher than a certain point or standard

Frequency

Movie subtitles
9.45 per million appears in 4% of films
Written text
29.6 per million

Sources