Analysis of information sources in references of the Wikipedia article "Incense in India" in English language version.
Ta. akil (in cpds. akiṛ-) eagle-wood, Aquilaria agallocha; the drug agar obtained from the tree; akku eagle-wood. Ma. akil aloe wood, A. agallocha. Ka. agil the balsam tree which yields bdellium, Amyris agallocha; the dark species of Agallochum; fragrance. Tu. agilů a kind of tree; kari agilů Agallochum. / Cf. Skt. aguru-, agaru-; Pali akalu, akaḷu, agaru, agalu, agaḷu; Turner, CDIAL, no. 49. DED 14.
agaru m.n. ' fragrant Aloe -- tree and wood, Aquilaria agallocha ' lex., aguru -- R. [← Drav. Mayrhofer EWA i 17 with lit.] Pa. agalu -- , aggalu -- m., akalu -- m. ' a partic. ointment '; Pk. agaru -- , agaluya -- , agaru(a) -- m.n. ' Aloe -- tree and wood '; K. agara -- kāth ' sandal -- wood '; S. agaru m. ' aloe ', P. N. agar m., A. B. agaru, Or. agarū, H. agar, agur m.; G. agar, agru n. ' aloe or sandal -- wood '; M. agar m.n. ' aloe ', Si. ayal (agil ← Tam. akil).