thinh

Likely from Middle Chinese 清 (MC tshjeng), thus non-Sino-Vietnamese reading of Chinese 清 (“quiet, still”, SV: thanh).

Compare tầm thinh vs. tầm thanh, both meaning "to seek out sounds [i.e. the cries of suffering sentient beings] (Buddhism)" and from 尋聲 (MC zim syeng).

• (Hà Nội) IPA^(key): [tʰïŋ˧˧]
• (Huế) IPA^(key): [tʰɨn˧˧]
• (Saigon) IPA^(key): [tʰɨn˧˧]

thinh • (清, 烴, 聲, 請, 𤇂)

1. (only in compounds) silent, speechless