Where does “Sieng” come from?

Sieng (English) comes from Khmer សៀង, from Thai เสียง, from Proto-Southwestern Tai *siəŋᴬ¹, from Middle Chinese 聲 — sound, voice.

Ancestry of “Sieng”, step by step

StepLanguageWordMeaning
1Khmerសៀងsound; voice
2Thaiเสียงsound, including voice, a sensation perceived by...
3Proto-Southwestern Tai*siəŋᴬ¹—
4Middle Chinese聲sound, voice
Every word from Middle Chinese 聲 →Every word from Proto-Southwestern Tai *siəŋᴬ¹ →Every word from Thai เสียง →