tat tu kalasya dirghatvat
tat-that (instruction on religion and knowledge); tu-indeed; kalasya-of time; dirghatvat-because of the longness; stritvat-because of being a woman; matuh-of my mother; tirodadhe-disappeared; rsina-by the sage; anugrhitam-being blessed; mam-me; na-not; adhuna-today; api-even; ajahat-left; smrtih-the memory (of Narada Muni's instructions).