didhiṣú mfn. wishing to gain or obtain, striving after, seeking RV.
• m. a suitor RV. x, 18, 8
• a husband BhP. ix, 9, 34
• the second husband of a woman twice married (also ○ṣū) L.
• (u or ū), f. a widow remarried or an elder sister married after the younger (both of whom having the choice of their husbands may be compared to suitors)

Sanskrit-English Dictionary, by M. Monier William