English
[1] [n] knife; blade; sword [2] knife-shaped coin

Mandarin (hanyu pinyin)
dāo

Cantonese (jyutping)
dou¹

Hakka (phonetic)
[Kwangtung] tau¹ to¹ [Bao'an] tau¹ [Dongguan] tau¹ [Hailu] tau¹ to¹ [Siyan] tau¹ to¹ [Hong Kong] tau¹ [Meixian] tau¹

Minnan/Taiwanese
to1

Vietnamese
đao

Japanese
tou

Korean
to