ămĭta (noun F) : cf. abba, avus, and Engl. aunt (so the mother's sister is called matertera, from mater; cf. Dig. 38, 10, 10)
* A father's sister, a paternal aunt, Cic. Clu. 10; Liv. 39, 11; Tac. A. 12, 64; 27, 16; Vulg. Lev. 20, 19 et saep.
* Hence
* Amita magna, a sister of a grandfather (avi), a great-aunt, Tac. A. 2, 27; Paul. l. c.
* Amita major, an aunt of a grandfather, Paul. l. c. and Fest. s. v. Major, p. 98.
* Amita maxima, an aunt of a great-grandfather, also called abamita, Paul. l. c. and Fest. s. v. Major, p. 98.

s. TLL