As a deity name
Name 749 of the Ganesha Sahasranāma — Ganesha Purana (Upasana Khanda), as taught by Sage Vyasa / Lord Ganesha
Name 566 of the Hanuman Sahasranāma — Rasvin Samhita / Brahmanda Purana, as taught by Lord Ram / Sages
Name 584 of the Hanuman Sahasranāma — Rasvin Samhita / Brahmanda Purana, as taught by Lord Ram / Sages
Name 608 of the Narasimha Sahasranāma — Brahmanda Purana / Narasimha Purana, as taught by Sages to Assembly of Devotees
As a Hindi name
पितृ · noun · masculine
किसी व्यक्ति के मृत बाप दादा परदादा आदि · किसी व्यक्ति का ऐसा मृत पूर्वपूरुष जिसका प्रेतत्व छुट चुका हो · एक प्रकार के देवता जो सब जिवों के आदिपूर्वज माने गए है — Śabdasāgara
पितृ · pitr̤i · s.m.
Father; paternal ancestor; the manes, or the deceased and deified progenitors of mankind (inhabiting a peculiar region of heaven, or, according to some, the orbit of the moon) — Platts (1884), digital edition courtesy DSAL, University of Chicago, p. 224
पितृ · masculine
paternal ancestor; father
a Hindi word, a tatsama: the Sanskrit word borrowed unchanged into Hindi पितृ — per Wiktionary’s etymology record
“Learned borrowing from Sanskrit पितृ (pitṛ). Doublet of पिता (pitā).” — per Wiktionary’s etymology record
pitṛ m. (irreg. acc. pl. pitaras, MBh.; gen. pl. pitṛṇām, BhP.) a father, RV. &c. &c. (in the Veda N. of Bṛhas-pati, Varuṇa, Prajā-pati, and esp. of heaven or the sky; antarā pitaraṃ mātaraṃ ca, ‘between heaven and earth’, RV. x, 88, 15)
pitṛ m. du. (˚tarau) father and mother, parents, RV. &c. &c. (in the Veda N. of the Araṇis [q.v.] and of heaven and earth)
As a Sanskrit word
Meaning
the fathers, forefathers, ancestors, (esp.) the Pitṛs or deceased ancestors (they are of 2 classes, viz. the deceased father, grandfathers and great-grandfathers of any partic. per…
Scripturally attested Verified derivationMultiple readings (2)Why this matches what you typed
The spelling you confirmed, पितृ, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Dictionary citations
pitṛ m. (irreg. acc. pl. pitaras, MBh.; gen. pl. pitṛṇām, BhP.) a father, RV. &c. &c. (in the Veda N. of Bṛhas-pati, Varuṇa, Prajā-pati, and esp. of heaven or the sky; antarā pitaraṃ mātaraṃ ca, ‘between heaven and earth’, RV. x, 88, 15)
pitṛ m. du. (˚tarau) father and mother, parents, RV. &c. &c. (in the Veda N. of the Araṇis [q.v.] and of heaven and earth)
(˚taras) the fathers, forefathers, ancestors, (esp.) the Pitṛs or deceased ancestors (they are of 2 classes, viz. the deceased father, grandfathers and great-grandfathers of any partic. person, and the progenitors of mankind generally; in honour of both these classes rites called Śrāddhas are performed and oblations called Piṇḍas [q.v.] are presented; they inhabit a peculiar region, which, according to some, is the Bhuvas or region of the air, according to others, the orbit of the moon, and are considered as the regents of the Nakṣatras Maghā and Mūla; cf. RTL. 10 &c.), RV. &c. &c.
a father and his brothers, father and uncles, paternal ancestors, Mn. ii, 151 &c.; R.; Kathās.
a partic. child's-demon, Suśr.
Alternative readings
More than one analysis survives full verification. That ambiguity is real, so we show every reading rather than pick one silently.
Caveats
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