What is the meaning of -jaik?

possessive suffix for multiple possessions if there is no noun for the possessor:

  1. their ……-s (third-person plural; the pronoun ő (s/he) (!) being optional for emphasis)

    their ……-s (third-person plural; the pronoun ő (s/he) (!) being optional for emphasis)

    your ……-s (second-person plural, grammatically resembling the third person plural)

    Source: wiktionary.org