Where does “eka-bismuth” come from?

eka-bismuth (English) comes from English bismuth, from German Wismut, from Middle High German wismāt, from Latin bisemutum, from Arabic بِسِيمُوتِيُّون, from Ancient Greek ψιμύθιον, from Ancient Greek -ῐον, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

eka-bismuth (English): moscovium

Definitions

moscovium

Ancestry of “eka-bismuth”, step by step

Step	Language	Word	Meaning
1	English	bismuth	A chemical element with an atomic number of 83:...
2	German	Wismut	bismuth
3	Middle High German	wismāt	—
4	Latin	bisemutum	bismuth
5	Arabic	بِسِيمُوتِيُّون	—
6	Ancient Greek	ψιμύθιον	white lead (as a pigment to whiten the face or hair)
7	Ancient Greek	-ῐον	diminutive suffix; "suffix forming...
8	Proto-Indo-European	-yós	Creates adjectives from noun or verb stems

Every word from Proto-Indo-European -yós →Every word from Ancient Greek -ῐον →Every word from Ancient Greek ψιμύθιον →