From Wiktionary, the free dictionary
Learned borrowing from Sanskrit केतु (ketu, “lamp”).
ਕੇਤੂ • (ketū) m (Shahmukhi spelling کيتو)
- comet
- Synonym: ਪੂਛਲ ਤਾਰਾ (pūchal tārā)
- meteor, shooting star
- “ਕੇਤੂ”, in Punjabi-English Dictionary, Patiala: Punjabi University, 2025