mule Dhp.322; Dhp-a.i.213; Dhp-a.iv.4 (= vaḷavāya gadrabhena jāta); Ja.iv.464 (kambojake assatare sudante; imported from cambodia); Ja.vi.342
■ f. assatarī a she-mule Vin.ii.188; SN.i.154; SN.ii.241; AN.ii.73; Mil.166
■ assatarī-ratha a chariot drawn by she-mules Vv.20#3, Vv.20#8 (T. assatarī ratā = Vv.43#8 ; Pv.i.11#1 (= assatariyutta ratha Pv-a.56); Ja.vi.355.

Vedic aśvatara, aśva + compar. suffix tara in function of “a kind of”, thus lit. a kind of horse, cp. Lat matertera a kind of mother. i.e. aunt