Where does “grand” come from?

grand (Old Spanish) comes from Old Spanish grande, from Latin grandis, from Proto-Italic *grandis.

Ancestry of “grand”, step by step

StepLanguageWordMeaning
1Old Spanishgrandegreat
2Latingrandisfull-grown, grown up; large, great, grand, lofty;...
3Proto-Italic*grandis—
Every word from Proto-Italic *grandis →Every word from Latin grandis →Every word from Old Spanish grande →