Dictionary Definition:
upa-druta mfn. run after, persecuted, attacked, oppressed, visited (by calamities), tyrannized over Hariv. R. Kathās. Hit. Suśr. &c
• (in astrol.) eclipsed = boding evil, inauspicious VarBṛS
• (am), n. a kind of Sandhi ŚāṅkhŚr