´It was narrated that Sa'eed bin Al-Musayyab said concerning Nabidh:` "The dregs are what intoxicates."
Explanation & Benefits
Hafiz Muhammad Ameen
“It becomes wine,” meaning that intoxication develops in it and its ruling becomes like that of wine, i.e., drinking it becomes prohibited, because according to the Shari‘ah, the ruling for an intoxicating beverage and for wine is the same.
Source: Sunan Nasa'i: Translation and Benefits by Shaykh Hafiz Muhammad Amin Hafizullah, Page: 5748