Where does “Magna” come from?

Magna (Norwegian) comes from Norwegian Magnhild, from Old High German magin, from Proto-Germanic maginą, from Proto-Indo-European mēgh- — to be able.

Ancestry of “Magna”, step by step

Magna traces back through two separate lines of ancestry.

via Norwegian Magnhild

StepLanguageWordMeaning
1NorwegianMagnhild—
2Old High Germanmaginstrength, might
3Proto-Germanicmaginąability, power, might, main
4Proto-Indo-Europeanmēgh-to be able

via Norwegian Magnus

StepLanguageWordMeaning
1NorwegianMagnus—
2Latinmagnuslarge, big; great; important
3Proto-Indo-Europeanmeǵh₂-big, great; great; big, stour, great
Every word from Proto-Indo-European mēgh- →Every word from Proto-Germanic maginą →Every word from Old High German magin →