Where does “златоуст” come from?

златоуст (Serbo-Croatian) comes from Serbo-Croatian зла̑то, from Proto-Slavic zolto, from Proto-Indo-European ǵʰl̥tóm, from Proto-Indo-European ǵʰelh₃- — to flourish; green, yellow.

златоуст (Serbo-Croatian): silver-tongued, mellifluous, honey-mouthed

Definitions

  1. silver-tongued, mellifluous, honey-mouthed

Ancestry of “златоуст”, step by step

златоуст traces back through two separate lines of ancestry.

via Serbo-Croatian зла̑то

StepLanguageWordMeaning
1Serbo-Croatianзла̑тоgold metal
2Proto-Slaviczoltogold
3Proto-Indo-Europeanǵʰl̥tómgold
4Proto-Indo-Europeanǵʰelh₃-to flourish; green, yellow

via Serbo-Croatian уста

StepLanguageWordMeaning
1Serbo-Croatianустаmouth
2Proto-Slavicustàlips, mouth
3Proto-Indo-Europeanh₃éh₁osmouth
Every word from Proto-Indo-European ǵʰelh₃- →Every word from Proto-Indo-European ǵʰl̥tóm →Every word from Proto-Slavic zolto →