Significance of Upajati
Upajati is a term that appears in both the Arthashastra and Natyashastra, referring to different aspects of classical meter. In the Arthashastra, it is mentioned as a metre used by Magha within certain sections of his epic. Meanwhile, the Natyashastra defines Upajati as the combination of two different metres in a single stanza and also describes it as a specific meter consisting of 11 syllables, featured in particular verses.
The below excerpts are indicatory and do represent direct quotations or translations. It is your responsibility to fact check each reference.
Hindu concept of 'Upajati'
Upajati in Hinduism signifies the blending of distinct poetic metres within a single stanza, specifically an 11-syllable meter found in verses II.2 and IV.13, and is utilized by the poet Magha in his epic works.
From: Hayanaratna: The Jewel of Annual Astrology
(1) A specific type of meter used in the verse form, which is a common structure used in the quotations in the Hayanaratna, as well as shloka and varieties of arya.[1]
The concept of Upajati in local and regional sources
Upajati is a specific type of verse form characterized by its complexity within female metrics, indicating a nuanced structure used in poetry that enhances the rhythmic quality of the composition.
From: History of Science in South Asia
(1) Upajati is one of the most frequent meters used by Haridatta in the Jagadbhushana, with 46 verses composed in this meter, highlighting the variety of meters employed in the text.[2] (2) Upajati is a slightly more complex metre of the female marks, and it is a type of verse form.[3]