Phaladeepika
आष्टौ बालारिष्टमादौ नराणं योगारिष्टं प्राहुरावींशति स्यात् । अल्पं चाद्वात्रिंशतं मध्यमायु- श्चासप्तत्याः पूर्णमायुः शतान्तम् ॥ ६॥
The first eight years in men's lives is the period of Balarishta-ills that afflict children Till the 20 th year, they say, it is the Yogarishta period (evil brought on by planetary conjunctions). It is called Alpayus or short life when the period extends to 32. It is called Madhyamayus or middle age when the period of life extends to 70 years. It is Purnayus when the period of life extends to 100 years.
english translation
ASTau bAlAriSTamAdau narANaM yogAriSTaM prAhurAvIMzati syAt । alpaM cAdvAtriMzataM madhyamAyu- zcAsaptatyAH pUrNamAyuH zatAntam ॥ 6॥
hk transliteration by Sanscript