What is the meaning of Halləlûyāh?

If what it means is this http://en.wikipedia.org/wiki/Hallelujah!…

Which part of this word is 'God!"?

הַלְּלוּיָהּ = Hallelujah
God=אל

הלל = Praise
וּיָהּ = Via/By / بواسطة

Praise = الحمد
Praise = שבח

השבח לאל = Praise God
الحمد لله = Praise God

What is his name?