Where does “decepționant” come from?

decepționant (Romanian) comes from Romanian decepționa, from Romanian decepție, from French déception, from Latin dēceptiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere — small stone, pebble; gravel, rubble.

decepționant (Romanian): disappointing

Definitions

disappointing

Ancestry of “decepționant”, step by step

Step	Language	Word	Meaning
1	Romanian	decepționa	to disappoint
2	Romanian	decepție	disappointment
3	French	déception	disappointment
4	Latin	dēceptiō	deception, deceit
5	Latin	-tiō	tion, -ation, -ing
6	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
7	Latin	dissertus	arranged, disposed; explained
8	Latin	disserere	second-person singular future passive indicative...
9	Latin	dis-	asunder, apart, in two; reversal, removal;...
10	Latin	calceus	shoe
11	Latin	calx	limestone; chalk; the finish line
12	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

Every word from Ancient Greek χάλιξ →Every word from Latin -tiō →Every word from Latin dis- →