The name "Sigfryda" is typically spelled with an "f" instead of a "v" despite both letters representing the same sound, /v/. This spelling is likely due to the word's origin in Old English, where "f" was used more commonly than "v". In the International Phonetic Alphabet (IPA) transcriptions, the word would be pronounced /sɪɡˈfraɪdə/. So, even though the spelling may seem unusual, it accurately represents the pronunciation of the name.
The name Sigfryda is derived from Old High German, an early medieval language spoken from the 6th to the 11th century. It is primarily composed of two elements: sigu meaning victory and fridu meaning peace. So, the name Sigfryda can be understood to mean victorious peace or peaceful victory.