Where does “subpresiune” come from?

subpresiune (Romanian) comes from Romanian presiune, from French pression, from Latin pressio, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere, from Latin dis- — small stone, pebble; gravel, rubble.

subpresiune (Romanian): underpressure

Definitions

underpressure

Ancestry of “subpresiune”, step by step

subpresiune traces back through two separate lines of ancestry.

via Romanian presiune

Step	Language	Word	Meaning
1	Romanian	presiune	pressure
2	French	pression	pressure
3	Latin	pressio	a pressing, pressure; prop, fulcrum of a lever
4	Latin	-tiō	tion, -ation, -ing
5	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
6	Latin	dissertus	arranged, disposed; explained
7	Latin	disserere	second-person singular future passive indicative...
8	Latin	dis-	asunder, apart, in two; reversal, removal;...
9	Latin	calceus	shoe
10	Latin	calx	limestone; chalk; the finish line
11	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

via Romanian sub

Step	Language	Word	Meaning
1	Romanian	sub	under, below, beneath, underneath
2	Latin	subtus	below, underneath, beneath
3	Latin	sub	under, beneath; behind; at the feet of
4	Proto-Italic	supo	under
5	Proto-Indo-European	upó	under, below
6	Proto-Indo-European	h₃ewp-	—

Every word from Ancient Greek χάλιξ →