What is the meaning of Siz?

ISO 639-3 language code for Siwi.

you (plural)

you (second-person plural)

you (plural), ye

you (plural)

you (plural), ye

six

then (at that time)

then (after that)

so (used to connect previous conversation or events to the following question)

you (subject pronoun: the group being addressed)

you (second-person plural, second-person singular formal)

Source: wiktionary.org