Sinhalese ulká (3)
According to Clough’s Sinhala English Dictionary, Sinhalese word ulká denotes “firebrand, meteor, and flame.” It traces its origin to the Tamil root ulai through the transformation of ul > ulai > ulkā́ > ulká. The following words, related to Sinhalese ulká, also originate from Tamil ulai.
ulkátaruwa, ulkápáta, “(flame, which falls) fire falling from heaven, meteor; fire-brand.”