Where does “perpetuum mōbile” come from?

perpetuum mōbile (Latin) comes from Latin mōbilis, from Latin -bilis, from Proto-Italic -ðlis, from Proto-Indo-European -dʰlis, from Proto-Indo-European -dʰlom — Alternative form of *-trom; instrumental suffix;...

perpetuum mōbile (Latin): a being capable of perpetual motion

Definitions

a being capable of perpetual motion

Ancestry of “perpetuum mōbile”, step by step

perpetuum mōbile traces back through two separate lines of ancestry.

via Latin mōbilis

Step	Language	Word	Meaning
1	Latin	mōbilis	movable, loose
2	Latin	-bilis	-ble
3	Proto-Italic	-ðlis	Forms adjectives from verb stems indicating capacity or worth of being acted on
4	Proto-Indo-European	-dʰlis	—
5	Proto-Indo-European	-dʰlom	Alternative form of *-trom; instrumental suffix;...

via Latin perpetuus

Step	Language	Word	Meaning
1	Latin	perpetuus	perpetual, continuous, uninterrupted, constant,...
2	Latin	-uus	forms adjectives on verbal stems
3	Proto-Italic	*-wos	—
4	Proto-Indo-European	-wós	Creates adjectives from verb stems

Words derived from “perpetuum mōbile”

perpetuum mobile

Every word from Proto-Indo-European -dʰlom →Every word from Latin -bilis →Every word from Latin mōbilis →