Where does “Trieste” come from?

Trieste comes from Italian Trieste, from Latin Tergeste, from Illyrian Tergitio, of uncertain ultimate origin and meaning.

Ancestry of “Trieste”, step by step

Step	Language	Word	Meaning
1	Italian	Trieste	—
2	Latin	Tergeste	—
3	Illyrian	Tergitio	merchant