etymologeek.com dictionary
English word python comes through Latin Pythōn (Python) from Ancient Greek Πυθώ (Python), the name of the mythological enormous serpent at Delphi slain by Apollo, from Πῡθώ (Pūthṓ), the early name of Delphi, from πυθώ (puthṓ, “to rot, to decay”)..

Python etymology history?

Python detailed word origin explanation

Dictionary entryLanguageDefinition
πυθώ Ancient Greek (grc) puthṓ, “to rot, to decay”
Πῡθώ Ancient Greek (grc) Pūthṓ, early name of Delphi”
Πύθων Ancient Greek (grc) Púthōn, name of the mythological enormous serpent at Delphi slain by Apollo”
python Latin (lat) A soothsayer
python English (eng) A type of large constricting snake. Sense dates from the 19th century

Words with the same origin as python

Descendants of Πυθώ
PyCon PyGTK PyPI PyPy PyQt PyS60 Pygame Pythia Python Pythoneer Pythonesque Pythoness Pythonista pythiad pythoness pythonlike