rittaka

adjective empty, void, without reality Thag.41; Thag.2, Thag.394 (= tucchaka anto-sāra-rahita Thag-a.258) Pv.iii.6#5 (of a river = tuccha Pv-a.202); Pv-a.139 (= suñña, virahita). Usually in combination with tucchaka as a standing phrase denoting absolute emptiness worthlessness, e.g. at DN.i.240; MN.i.329; SN.iii.141.

ritta + ka