Well, in one of the level 1 lessons, there is this example sentence:
His second evil deed was the frog’s assassination.
I understand that あくぎょうis ‘misdoing’, and ‘二つ’ is two things, so I assumed ‘めの’ must be a counter, but I couldn’t figure what, from wikipedia or jisho.org. Can someone help me with this one? And if wikipedia is insuffisient, is there a great big list of chinese/japanese counter words on the net somewhere?