Where does “sic” come from?

sic (Middle High German) comes from Old High German sigu, from Proto-Germanic *sigi, from Proto-Germanic segaz, from Proto-Indo-European séǵʰos, from Proto-Indo-European seǵʰ- — to hold; to overpower.

Ancestry of “sic”, step by step

StepLanguageWordMeaning
1Old High Germansiguvictory
2Proto-Germanic*sigi—
3Proto-Germanicsegazvictory, triumph
4Proto-Indo-Europeanséǵʰospower, strength
5Proto-Indo-Europeanseǵʰ-to hold; to overpower
Every word from Proto-Indo-European seǵʰ- →Every word from Proto-Indo-European séǵʰos →Every word from Proto-Germanic segaz →