ȧ

Etymology 1
Letter with dot above (◌̇) to signify a lot more close vowel.

Symbol

 * 1)  Phonetic transcription of sound between [] and [].

Usage notes
Although by the description, the corresponding IPA representation should be approximately [], no equivalent IPA representation is given in the source.

Etymology 2
Letter with dot above (◌̇) to signify an extra short vowel.

Letter

 * 1)  Additional letter, used in some words to denote the extra-short stress on a.