Romanian word dependent comes from Latin pendere, Latin de- (De-.), Middle French prendre (To take.), Middle French des- (De-; dis-.), Middle French despendre (To depend (on). To detach something that is hanging.)

Detailed word origin of dependent

Dictionary entry	Language	Definition
pendere	Latin (lat)
de-	Latin (lat)	De-.
prendre	Middle French (frm)	To take.
des-	Middle French (frm)	De-; dis-.
despendre	Middle French (frm)	To depend (on). To detach something that is hanging.
dependere	Latin (lat)
desprendre	Middle French (frm)	(reflexive, se desprendre) to renounce. (transitive) to detach (something from someone).
dépendre	French (fra)	(intransitive) to belong (to), be part (of). (intransitive) to depend (rely on for support; to be contingent) (transitive) to remove from a gallows. (transitive) to unhang.
dépendant	French (fra)	Dependent Dependent; one who is dependent.
dependent	Romanian (ron)	Dependent.

Words with the same origin as dependent