Manusmriti

siva.sh/manusmriti/8/133

त्रसरेणवोऽष्टौ विज्ञेया लिक्षैका परिमाणतः । ता राजसर्षपस्तिस्रस्ते त्रयो गौरसर्षपः ॥ १३३ ॥

sanskrit

Know (that) eight trasarenus (are equal) in bulk (to) a liksha (the egg of a louse), three of those to one grain of black mustard (ragasarshapa), and three of the latter to a white mustard-seed.

english translation

trasareNavo'STau vijJeyA likSaikA parimANataH | tA rAjasarSapastisraste trayo gaurasarSapaH || 133 ||

hk transliteration by Sanscript