Latin word institutus comes from Latin statuo, Latin ingratus (Thankless. Ungrateful. Unpleasant, disagreeable.)

Detailed word origin of institutus

Dictionary entry	Language	Definition
statuo	Latin (lat)	I decide, make up (my mind). I erect. I establish, determine, fix (the form or character of). I hold up, stop, end. I set up, station (in an upright position).
ingratus	Latin (lat)	Thankless. Ungrateful. Unpleasant, disagreeable.
instituo	Latin (lat)	I build. I make (something) a habit, practice, or custom. I set up, establish, found or institute.
institutus	Latin (lat)

Words with the same origin as institutus