It's Ancient for "Let luck and happiness follow you and may you be shielded from misfortune"
Atra esterni ono thelduin Atra du evarínya ono varda Un atra mor'ranr lifa unin hjarta onr The lines mean "May good fortune rule over you, may the stars watch over you, and may peace live in your heart."
Í Hjarta Mér was created on 2009-02-19.
If you mean "Du har fångat mitt hjärta" then it means "You have caught my heart".
The origin of the word heart is Old English heorte, of Germanic origin; related to Dutch hart and German Herz, from an Indo-European root shared by Latin cor, cord- and Greek ker, kardia.