Manusmriti

siva.sh/manusmriti/2/38

आ षोदशाद् ब्राह्मणस्य सावित्री नातिवर्तते । आ द्वाविंशात् क्षत्रबन्धोरा चतुर्विंशतेर्विशः ॥ ३८ ॥

sanskrit

The (time for the) Savitri (initiation) of a Brahmana does not pass until the completion of the sixteenth year (after conception), of a Kshatriya until the completion of the twenty-second, and of a Vaisya until the completion of the twenty-fourth.

english translation

A SodazAd brAhmaNasya sAvitrI nAtivartate | A dvAviMzAt kSatrabandhorA caturviMzatervizaH || 38 ||

hk transliteration by Sanscript