The Tocharian B word korośāna
Word korośāna
k o r o ɕ a n ɐ
IPA koroɕanɐ
Meaning bright yellow

Comments
Douglas Q. Adams, “Etymological Dictionary of Tocharian B”, 1999, Brill

Other words that might be of interest
kauṃ ‘sun’, pūwar ‘fire’, taur ‘ash, dust’, läkutsetstse ‘bright’, pälk- ‘burn’, pälśalñe ‘burning’, wärs-2 ‘darken’, sleme ‘flame’, tsāk ‘illuminate’, parkāsaṃ ‘illumination’, yäp- ‘sunset’, skiyo ‘shade, shadow’, pälk ‘shine’