Arthashastra
निवेश कालं हि दीर्घ प्रवासे व्याख्यास्यामः ॥
The time at which women can remarry shall be explained in connection with the subject of long sojourn of husbands.
english translation
niveza kAlaM hi dIrgha pravAse vyAkhyAsyAmaH ॥
hk transliteration by Sanscript