As a deity name
Name 702 of the Gopal Sahasranāma — Sammohana Tantra, as taught by Lord Shiva to Goddess Parvati
Name 273 of the Hanuman Sahasranāma — Rasvin Samhita / Brahmanda Purana, as taught by Lord Ram / Sages
Name 297 of the Hanuman Sahasranāma — Rasvin Samhita / Brahmanda Purana, as taught by Lord Ram / Sages
Name 610 of the Narasimha Sahasranāma — Brahmanda Purana / Narasimha Purana, as taught by Sages to Assembly of Devotees
As a Hindi name
गुरु · masculine
guru, teacher, sage; Jupiter; a smartass
गुरु
heavy
Śabdasāgara also records: [संज्ञा गुरुत्व, गुरुता] · लंबे चौडे़ आकारवाला । बडा़
Platts (p. 906) also records: (fem. gurvi, or gurviṇī), Heavy, weighty; great, large, extended, long (as a vowel), grave (as an accent)
a Hindi word, a tatsama: the Sanskrit word borrowed unchanged into Hindi गुरु — per Wiktionary’s etymology record
“Borrowed from Sanskrit गुरु (guru).” — per Wiktionary’s etymology record
guru mf(vī)n. (cf. giri; comp. garīyas, once ˚yas-tara, guru-tara, superl. gariṣṭha, gurutama See ss.vv.) heavy, weighty (opposed to laghu), RV. i, 39, 3 and iv, 5, 6; AV. &c. (g. śauṇḍādi, Gaṇar. 101)
heavy in the stomach (food), difficult to digest, MBh. i, 3334; Suśr.
As a Sanskrit word
Meaning
vī (cf. giri; comp. garīyas, once ˚yas-tara, guru-tara, superl. gariṣṭha, gurutama See ss.vv.) heavy, weighty (opposed to laghu), and; &c. (g. śauṇḍādi, )
Scripturally attested Verified derivationMultiple readings (2)Why this matches what you typed
The spelling you confirmed, गुरु, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Gender counterpart
The kosha attests this stem in the feminine, the masculine, and the neuter — the same name serves without alteration.
Dictionary citations
guru mf(vī)n. (cf. giri; comp. garīyas, once ˚yas-tara, guru-tara, superl. gariṣṭha, gurutama See ss.vv.) heavy, weighty (opposed to laghu), RV. i, 39, 3 and iv, 5, 6; AV. &c. (g. śauṇḍādi, Gaṇar. 101)
heavy in the stomach (food), difficult to digest, MBh. i, 3334; Suśr.
great, large, extended, long, Yājñ. (see -kratu), Bhartṛ. &c.
(in prosody) long by nature or position (a vowel), Prāt. (a vowel long both by nature and by position is called garīyas, RPrāt. xviii, 20), Pāṇ. i, 4, 11 and 12
high in degree, vehement, violent, excessive, difficult, hard, RV.; MBh. &c.
Alternative readings
More than one analysis survives full verification. That ambiguity is real, so we show every reading rather than pick one silently.
Caveats
Sources contain errors and engines have limits; every claim above carries its citation so you can verify it. This is guidance about names and their sources — not religious or astrological consultation. How we work · Our sources