nīlam ityukte pītādivyāvṛttānyapadārthavyavasāyibhramarakokilāñjanādiṣu saṃśayyamānarūpaṃ vikalpapratibimbakamudeti
When [the word] "nīla" [blue] is uttered, there arises a conceptual reflection [which is] of doubtful form with regard to bees, cuckoos, collyrium and other objects that are determined [as blue] [and] excluded from yellow and other [colors].