Where does “smaraldus” come from?

smaraldus (Latin) comes from Latin smaragdus, from Ancient Greek σμάραγδος, from Proto-Semitic bariq- — lightning.

Ancestry of “smaraldus”, step by step

StepLanguageWordMeaning
1Latinsmaragdusemerald
2Ancient Greekσμάραγδοςemerald
3Proto-Semiticbariq-lightning
Every word from Proto-Semitic bariq-Every word from Ancient Greek σμάραγδοςEvery word from Latin smaragdus