In the phrase 'two of thy', what does 'thy' mean?

If someone says 'thy share', whose share are they referring to?

If a recipe says 'take three of thy apples', how many apples should you take from the person being addressed?

Which pronoun does 'thy' relate to?

What part of speech is 'thy'?

When might you hear someone use the word 'thy'?

If someone says 'that is thy book', who owns the book?

'Thy' is an older form of which word?

The word 'thy' is typically used in conjunction with what type of speech?

If you hear someone say 'give thy attention', what are they asking for?