A form of Lokopacāravinaya (formal rules of modesty);
to search (and manage) for the procurement of medicine etc., for an ailing (monk).
ārttasya duḥkhārttasya gaveṣaṇaṃ anṣadhāderityārttagaveṣaṇaṃ tadevārttagaveṣaṇateti, pīḍitasyopakāra ityarthaḥ.
(Sthā 7.137 Vṛ Pa 388)