ambila

adjective sour, acid; one of the 6 rasas or tastes, viz. a., lavaṇa, tittaka, kaṭuka kasāya, madhura (see under rasa): thus at Mil.56. Another enumeration at Cnd.540 & Dhs.629
■ Ja.i.242 (˚anambila), Ja.i.505 (loṇ˚); Ja.ii.394 (loṇ˚); DN-a.i.270 (˚yāgu sour gruel); Dhp-a.ii.85 (ati-ambila, with accuṇha & atisīta).

Sk. amla = Lat. amarus