Monier-Williams: A Sanskrit-English Dictionary (p. 1069)
śiṃśapā, f. (rarely and m. c. śiṃśapa, m.) the tree Dalbergia sissoo AV. &c. &c.; the Aśoka tree W.

Tamil Lexicon, University of Madras (p. 376)
īṭṭi: 1. Lance, spear, pike; 2 black wood

Dymock, Warden, Hooper: Pharmacographia Indica (vol. I, p. 461)
Dalbergia sympathetica, Leguminosae
The leaves are used in Goa as an alterative. It is a very remarkable scandent shrub; the stem studded thickly with large blunt thorns, often nine inches long, some of them contorted so as to assist in supporting it upon high trees; the leaves are pinnate, 4 to 6 inches long, the leaflets delicate, obtuse or emarginate, 1/2 to 1 inch long, thinly silky at firsy, especially beneath; the flowers are in short, axillary cymes; calyx 1-12th of an inch long, silky, with a pair of small obtuse, adpressed bracteoles; teeth short, obtuse; corolla twice the length of the calyx, yellowish white; pod generally one-seeded, membranous, obtuse, about 2 inches long and 3/4 of an inch broad with an unusually short stalk. The bark is used as a l‚p to remove pimples. The foliage resembles that of the Tamarind, and is eaten by cattle. The flowers appear in February and March. Rheede's name for the plant is Ana Mullu.