פֶּתֶן (peten) is
a Hebrew noun
meaning serpent. It appears
6 times
in 4 books of the Hebrew Bible
(Strong's H6620).
Also rendered
cobra
Same Hebrew root (TWOT 1858a)
Range of meaning (TWOT 1858a)serpent, cobra; asp, contortions; adder
Full entry: Brown-Driver-Briggs and Strong's
פֶּ֫תֶןnoun, masculine: serpent, cobra
a venomous serpent, perhaps cobra
Strong's H6620פֶּתֶן: an asp (from its contortions) KJV:adder.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.