A circumflex is also used in the word â, which is both a preposition, meaning "with, by means of, as", and the third person non-past singular of the verbal noun mynd "go". That distinguishes it in writing from the similarly-pronounced a, meaning "and; whether; who, which, that".
Keeping this in consideration, what does this mean _firxam_#257?
Ā, lowercase ā, is a grapheme, a Latin A with a macron, used in several orthographies. The macron is only considered when sorting words that are otherwise identical. For example, in Māori, tāu (meaning your) comes after tau (meaning year), but before taumata (hill).
What is à?
À, à (a-grave) is a letter of the Catalan, Emilian-Romagnol, French, Galician, Italian, Occitan, Portuguese, Scottish Gaelic, Vietnamese, and Welsh languages consisting of the letter A of the ISO basic Latin alphabet and a grave accent. À is also used in Pinyin transliteration.
What is this á?
Á, á (a-acute) is a letter of the Blackfoot, Czech, Dutch, Faroese, Galician, Hungarian, Icelandic, Irish, Kazakh, Lakota, Navajo, Occitan, Portuguese, Sámi, Slovak, Spanish, Vietnamese, and Welsh languages as a variant of the letter a.