frischen
Frischen is a German verb that denotes making something fresh again, refreshing, or reviving. In modern usage it largely appears in compounds with the prefix auf-, especially in auffrischen, meaning to refresh, brush up, or revive knowledge, skills, memories, or supplies. The bare infinitive frischen is rarely used on its own in standard language; speakers typically use auffrischen or synonyms such as erneuern or aktualisieren depending on context.
Common examples include: Ich muss mir mein Wissen auffrischen. Wir sollten die Vorräte auffrischen. In computing
Etymology and scope: the verb is derived from the adjective frisch (fresh). Historically, frischen as a standalone
Related terms include Frische (the noun meaning freshness), Auffrischung (a noun for the act of refreshing or