Latintheoria, from Ancient Greekθεωρία(theōría) ("contemplation, speculation, a looking at, things looked at"), from θεωρέω(theōréō) (to look at, view, consider, examine), from θεωρός(theōrós) (spectator), from θέα(théa) (a view) + ὁράω(horáō) (to see, to look).