Of unclear origin. According to some, connected with the word torži̋ti (“to seek, look for”). For a semantic parallel compare Hungarian keres (“to seek, look for”) : kereskedelem (“trade, commerce”).
The place-name Latin Tergeste (whence Italian Trieste), first attested around 100 BC (by the Greek geographer Artemidorus of Ephesus), possibly from Venetic, but with the typically Illyrian suffix -est-, has often been derived from a *terg- which is speculated to mean "market" or "marketplace" and to be cognate with the Slavic lexeme.
- East Slavic: търгъ (tŭrgŭ)
- South Slavic:
- West Slavic:
- Alemko Gluhak (1993), Hrvatski etimološki rječnik, August Cesarec: Zagreb, page 637f
- “торг” in Max Vasmer (1986), Etimologičeskij slovarʹ russkogo jazyka [Etymological Dictionary of the Russian Language], in 4 vols (second edition), Moscow: Progress — Translated from German and supplemented by O. N. Trubačóv