Where does “fortalitia” come from?

fortalitia (Medieval Latin) comes from Latin fortis, from Old Latin forctis, from Proto-Italic forktis, from Proto-Indo-European bʰerǵʰ- — to rise; high, lofty; hill, mountain.

Ancestry of “fortalitia”, step by step

StepLanguageWordMeaning
1Latinfortisstrong, powerful; firm, resolute, steadfast,...
2Old Latinforctisstrong
3Proto-Italicforktisstrong, robust
4Proto-Indo-Europeanbʰerǵʰ-to rise; high, lofty; hill, mountain

Words derived from “fortalitia”

Every word from Proto-Indo-European bʰerǵʰ- →Every word from Proto-Italic forktis →Every word from Old Latin forctis →