Sentence:  Within the range of his powers, he sends her, secretly, ... cosmetics such as red lac, red arsenic, yellow arsenic, red mercury sulphide, and black collyrium; sandalwood paste and saffron; and, in course of time, areca nuts and betel leaves for <WSD>betel</WSD>. 
Meaning of the word marked with <WSD> tags:  A quid (chewing preparation) containing these and other plant materials; paan.