Manusmriti

siva.sh/manusmriti/2/46

केशान्तिको ब्राह्मणस्य दण्डः कार्यः प्रमाणतः । ललाटसम्मितो राज्ञः स्यात् तु नासान्तिको विशः ॥ ४६ ॥

sanskrit

The staff of a Brahmana shall be made of such length as to reach the end of his hair; that of a Kshatriya, to reach his forehead; (and) that of a Vaisya, to reach (the tip of his) nose.

english translation

kezAntiko brAhmaNasya daNDaH kAryaH pramANataH | lalATasammito rAjJaH syAt tu nAsAntiko vizaH || 46 ||

hk transliteration by Sanscript