को: Purpose ~> Purpose
When used with an oblique infinitive, to convey intention or purpose. In this sense, [pspecial "के लिए" hi/ke-lie] can also be used and is generally more common.
* [gex 001 "{पीने drinking} {[pspecial "को" hi/ko Purpose--Purpose] DAT} {क्या what} {मिल receive} {सकता can} {है is}{? ?}" "What can I get <u>to drink</u>/<u>for the purpose of drinking</u>?"]