Flightless & snake-like serpents were known as the Norse ormr and proto-germanic Wurmiz

▼ draconem means "huge serpent, dragon"

The eye of the beholder

▼ drákōn means “one who stares”

Great serpents of olde, were described originally as something with a "deadly glance", with unusually bright, sharp eyes

Sea serpents & Leviathans

▼ Sea serpent's became known as the Norse 'dreki' or draca

The Leviathan is a primeval monster, an embodiment of chaos & eater of the damned such as Tiamat

𒈲 MUŠ is the Sumerian term for 'serpent'; it translates as 'splendor serpent', MUŠ.ḪUŠ, 'reddish snake', or fierce serpent

▼ Mušḫuššu was the sacred animal of Marduk

Thus, Constellation Hydra had the torso of a fish, the tail of a snake, the forepaws of a lion, the hind legs of an eagle, wings, and a head of mušḫuššu