What is the meaning of Wꜥ?

alone

unique

as one, all together

one

the singular indefinite article; a, an

Unmarked for number and gender, but treated syntactically as masculine plurals when used with participles and relative forms, and as feminine singulars when referred to by resumptive pronouns.

Joined by n(j) to nouns they modify.

Originally joined by n(j) to nouns they modify; later without it.

Source: wiktionary.org