What is the meaning of Dou?

dew

Obsolete form of du.

first-person singular present indicative of dar

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

brook

first-person singular present indicative of dar

we; us

door

Source: wiktionary.org