1780 J. Clark iii. 114 Ripe fruit was allowed, and Port negus for her drink.
1864 C. Dickens (1865) I. i. vi. 53 Miss Potterson [took] only half her usual tumbler of hot Port Negus.
1994 (Nexis) 12 June 6 The works of Dickens are packed with characters who think nothing of..rounding off the day with a tumbler of hot port negus.