ម៉ាក់ម៉ា (Khmer) comes from French magma, from Ancient Greek μάγμα, from Ancient Greek μάσσω, from Proto-Indo-European mh₂ǵyéti, from Proto-Indo-European meh₂ǵ- — to knead, stroke.
ម៉ាក់ម៉ា (Khmer): magma