Shiva Purana
वयोभिः कृमिकीटैश्च गृहस्थश्चोपजीव्यते ॥ स्वाहाकारः स्वधाकारो वषट्कारस्तृतीयकः ॥ ४२॥
The householder is also fed by old worms and insects The third is the Svahakara, the Svadhakara and the Vashatkara.
english translation
vayobhiH kRmikITaizca gRhasthazcopajIvyate ॥ svAhAkAraH svadhAkAro vaSaTkArastRtIyakaH ॥ 42॥
hk transliteration by Sanscript