Maciah

Maciah is a less common feminine form derived from the Hebrew name Mattityahu, meaning 'gift of Yahweh' or 'gift of God'. While the provided meaning 'mighty in battle' is often associated with names of Germanic or Old Norse origin, for Maciah, particularly with a Polish association, it's more likely a variant or adaptation of a Biblical name. The Polish language has a long history of adapting Hebrew and Latin names, often with phonetic changes. The 'Maciah' spelling might be a unique feminization or a regional variant that has taken on a slightly different interpretation over time, or it could be a misinterpretation of its true etymological roots. Given the strong Biblical influence in Polish naming traditions, a connection to a Hebrew root is highly probable.