Italian variant of Hilda, from Germanic 'hild' meaning battle. Also linked to Old English 'eald' meaning old.
Elda traces its roots to Old Germanic, where it emerges from the element *alda*, meaning 'old' or 'elder' — a name that once carried the weight of wisdom and ancestral continuity. In some traditions it functions as a variant of Hilda, itself derived from *hild*, the Germanic word for battle, giving Elda a dual heritage of both age-earned authority and warrior spirit. In Italian and Spanish-speaking regions, the name developed independently as a given name in its own right, particularly popular in early twentieth-century northern Italy.
R. Tolkien's legendarium, where the Eldar — the High Elves who journeyed to Valinor — carried a name of similar resonance, though Tolkien derived his term from a different root. This overlap gave the name a quiet literary glow for readers of The Silmarillion.
More concretely, Elda Furlanetto was a celebrated Italian soprano of the mid-twentieth century, lending the name operatic elegance in her home country. In the United States, Elda enjoyed its peak usage in the 1910s and 1920s, riding the wave of short, melodic two-syllable names ending in 'a' that parents favored in that era. It faded gradually through the mid-century but has recently attracted renewed attention as parents search for vintage names that feel both distinctive and warm. Its rarity today is part of its charm — it carries the patina of a great-grandmother's name that hasn't yet been reclaimed by mass revival.