प्रतिदिनम्pratidinam
AvyayībhāvaDistributive adpositional compoundevery day
प्रतिprati
each, in each
दिनdina
day
First member is the head
The indeclinable first member governs the noun and the entire compound functions adverbially. Here the first member is the head.
Analytic paraphrase
dine dine
In English
on each day
