meaning of Zang Fu

Is there a translation into English of the words Zang and Fu? The text explains the two catefories of organs but what about the specific meaning of the words themselves?

I don't think there are any equivalent English words which cannot comparable to Zand and Fu!

The Chinese words have something special, so from the text I think it's not so easy to find a good translation into English.

Maybe my English is too limited.