dātu : [m.] giver; a generous person.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

dā́tu n. part, division, allotted portion or task RV. x, 90, 1
• ifc. divisible, after a numeral-fold (cf. su-, śala-, sahasra-). [Page 474, Column 3]
 

Sanskrit-English Dictionary, by M. Monier William