Tiara
来自Big Physics
mid 16th century (denoting the Persian royal headdress): via Latin from Greek, partly via Italian. Sense 1 dates from the early 18th century.
wiktionary
Via Italian, via Latin from Ancient Greek (Ionic) τιήρης(tiḗrēs), of unknown ultimate origin.
etymonline
tiara (n.)
1550s, "headdress of the Persian kings" (also worn by men of rank), from Latin tiara, from Greek tiara, of unknown origin. Earlier in Englished form tiar (1510s). As a richly jeweled headband in Western wear, 1650s (tiar; 1718 as tiara). Related: Tiaraed.
