Arnaldina

Arnaldina is a diminutive form of names like Arnalda, which itself is the feminine form of Arnold. The name Arnold is derived from the Old Germanic elements 'arn' meaning 'eagle' and 'wald' meaning 'power' or 'ruler'. As a diminutive, Arnaldina would have originally been used to denote a 'little eagle power' or a 'daughter of Arnold'.

This type of diminutive formation, adding suffixes like '-ina' or '-ina' to create feminine forms or terms of endearment, was common in Romance languages, particularly Italian and Portuguese, which influenced the spread and usage of such names derived from Germanic roots. While the root is Germanic, the specific form Arnaldina suggests a later development within Romance linguistic traditions.