偒傣話 [－－话]

Jyutping 偒 taai3 waa6
Pinyin dàng dǎi huà

Definitions (Wiktionary)
  1. noun
    the local Wu dialect of the town of Jinhui (金匯／金汇), Fengxian (奉賢／奉贤) district, Shanghai, touted as having the most vowels of any language