past participle adjective
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who has alighted on, settled on; perched; keeping apart; hidden; lurking, lying in wait
Nilīna (adjective) [past participle of nilāyati] sitting on (with locative), perched; hidden, concealed, lying in wait Ja I 135, 293; III 26; Vv-a 230.
(pp, pp of nilīyati) hidden; concealed hidden, lurked, kept oneself hidden Construction: ni + √lī + na