ɪɾ ɪz dʒˈɛnɚɹəli ɐɡɹˈiːd ðˌɐɾɪt dᵻɹˈaɪvz fɹʌm ɐ pɹˈoʊɾoʊˈɪndoʊjˌʊɹɹəpˈiən nˈuːɾɚ pˈæsɪv pˈɜːfɛkt pɑːɹtˈɪsɪpəl .
It is generally agreed that it derives from a  Proto-Indo-European neuter passive perfect participle .