“Apponting a way in the verse (iv.15) means prescribed punishment.

Sufiyan said: “Punish them “refers to unmarried, and “confine them to houses” refers to the women who are married.
Sunan Abi Dawud Book 40, Hadith 64
← Previous Hadith The Qur’anic verse goes: “If any of your woman are guilty of lewdness, take the evidence of four (reliable) witnesses from amongst you against them, and if they testify, Confine them to houses until death do chain them or Allah ordains for them some (other) way. Allah then mentioned man after woman and combined them in another verse : “If two men among you are guilty of lewdness, punish them both. If they repent and amend, leave them alone. This command was abrogated by the verse relating to flogging : “The woman and the man guilty of adultery or fornication – flog each of them with one hundred stripes.

Sunan Abi Dawud Book 40, Hadith 63 Next Hadith → Receive my teachings, receive my teachings. Allah has appointed a way for those women. If the parties have been married, they shall receive a hundred lashes and stoned to death. If the parties are unmarried, they shall receive a hundred lashes and banished for a year.

Sunan Abi Dawud Book 40, Hadith 65