what does magpakailaman mean? (It's tagalog)?

Question

Could someone tell me what the following tagalog word means : magpakailaman

I'm trying to translate the following:
mamahalin kita habangbuhay at magpakailanman

this is what i make of it so far: i will love you for eternity and.....

if anyone can translate this more accurately then feel free to do so.
Thanks

Answer 1

In perpetuity - for ever.