pithra
Pithra is a transliteration variant of the Sanskrit term Pitṛ, used in Hindu and related South Asian traditions to denote male ancestors or progenitors within a family lineage. The word derives from Sanskrit pitṛ meaning "father" or "ancestor" and is cognate with similar terms in several Indo-Aryan languages.
In Hindu cosmology, Pitṛ are ancestral spirits who reside in the afterlife and maintain a continuing relationship
Usage and spelling of the term vary by region and tradition, so Pithra may appear in transliteration
The concept of Pitṛ also interacts with broader Hindu ritual life, influencing annual rites, memory, and duties