Musannaf Ibn Abi Shaybah 25439 — The permission for nabidh, and those

It is narrated from Sa'id bin al-Musayyib that some people of the tribe of Thaqif met Sayyiduna Umar bin al-Khattab (may Allah be pleased with him) when he was near Makkah. Sayyiduna Umar called them to come with their nabidh. So they came to Sayyiduna Umar, bringing a cup of nabidh with them. Sayyiduna Umar brought it close to his mouth, then he called for water and mixed water into it two or three times. Then he said: Break its strength with water.