ṣ is substituted for the s of stoma after jyotis and āyus in a compound.,
As ज्योतिष्टोमः, आयुष्टोमः, but ज्योतिः स्तोमं दर्शयति where there is no compounding.,
ज्योतिर्-आयुषः स्तोमः
Adhyāya 8 · Pāda 3 · Rule 83
Adhyāya 8 · Pāda 3 · Rule 83
ṣ is substituted for the s of stoma after jyotis and āyus in a compound.,
As ज्योतिष्टोमः, आयुष्टोमः, but ज्योतिः स्तोमं दर्शयति where there is no compounding.,