ອັກຄີ (Lao) comes from Pali aggi, from Sanskrit अग्नि, from Proto-Indo-Aryan Hagníṣ, from Proto-Indo-Iranian Hagníš, from Proto-Indo-European h₁n̥gʷnis, from Proto-Indo-European h₁engʷ- — to burn; fire.
ອັກຄີ (Lao): fire