Scandinavian and Japanese short form; in Scandinavia from Frederica or Ulrika; in Japan written with kanji for beautiful flower or summer flower; genuinely cross-cultural with different etymologies meeting at the same sound.
Vibe
strongwarmplayful
How it ages.
Clean and minimal; ages well across cultures because it never peaks heavily in any single one.
The cultural moment.
Steady usage in Sweden and Japan throughout the 2000s; neither declining sharply nor surging.