What is the meaning of Wako?

to be (at an indefinite/nonspecific place)

Only past tense -li- or future tense -taka-. For the present, use general positive.

third-person plural of -wako (they are (around there))

M class inflected form of -ako.

U class inflected form of -ako.

Wa class inflected form of -ako.

third-person plural (wa class(II)) positive degree present of -wako (they are (around there))

to turn, rotate

to throw

Source: wiktionary.org