What is the meaning of Dou?

dew

obsolete form of du

first-person singular present indicative of dar

Rōmaji transcription of どう

hand, arm

nonstandard spelling of dōu

nonstandard spelling of dǒu

nonstandard spelling of dòu

alternative form of del

second-person singular, informal, nominative: you, thou

first-person singular of da

brook

first-person singular present indicative of dar

we; us

door

Source: wiktionary.org