Parashas Acharei Mos · Passuk 16:29
Chabad.org — English translation + Rashi
Torah Temima points to Yoma 76a.
English: Yom Kippur is forbidden in eating, drinking, washing, anointing, wearing sandals and marital relations — these five afflictions correspond to the five mentions of affliction in the Torah.
Enumeration of the five innuyim
The five classic prohibitions of Yom Kippur are derived from and correspond to the five scriptural references to afflicting the soul.