polongan.

1681 R. Knox Hist. Relation Ceylon vii. 29 There is another venomous Snake called Polongo, the most venomous of all, that kills Cattel. Two sorts of them have I seen, the one green, the other a reddish gray, full of white rings along the side, and about five or six feet long.

1821 tr. J. Haafner Trav. on Foot through Island of Ceylon viii. 65 The boys all called out together—‘Polanga! Polanga!—and at the same time drawing me back by my clothes, they saved me from almost certain death.

1861 W. Dalton Lost in Ceylon vii. 142 There [I] saw two serpents: one, a polonga, of reddish grey, about five feet long; the other, noya, or cobra, about four feet in length.

1953 P. E. P. Deraniyagala Colored Atlas Vertebr. Ceylon III. 91 A polonga bite victim..becomes unconscious after about six hours, but recovers within three or four days after treatment.

2001 Trans. Royal Soc. Trop. Med. & Hygiene 95 74 A new, monospecific ovine Fabantivenom (Polonga TAb) has been developed against the venom of Sri Lankan Russell's viper.]