Where does “friscus” come from?

friscus (Medieval Latin) comes from Proto-Germanic friskaz, from Proto-Indo-European preysk- — fresh.

Ancestry of “friscus”, step by step

StepLanguageWordMeaning
1Proto-Germanicfriskazfresh; not salty, unsalted
2Proto-Indo-Europeanpreysk-fresh
Every word from Proto-Indo-European preysk-Every word from Proto-Germanic friskaz