théorie

theory; solemn or sacred procession or embassy, especially in ancient Greece; procession; group of people moving in single file; a row, line

Borrowed from Latin theoria, from Ancient Greek θεωρία (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, “view”) + ὁράω (horáō, “to see, to look”).