As a deity name
Name 771 of the Durga Sahasranāma — Kula Arnava Tantra / Skanda Purana, as taught by Lord Shiva to Goddess Parvati
Name 347 of the Gayatri Sahasranāma — Devi Bhagavata Purana, as taught by Sages
Name 920 of the Lakshmi Sahasranāma — Skanda Purana / Sanat Kumara Samhita, as taught by Sages Sanatkumara and Devotees
Name 685 of the Saraswati Sahasranāma — Skanda Purana, as taught by Lord Brahma / Sages
As a Hindi name
ज्येष्ठा · noun · feminine
२७ नक्षत्रों में से अठारहवाँ नक्षत्र जो तीन तारों से बने कुंडल के आकार का है । इसके देवता चंद्रमा है · वह स्त्री जो औरों की अपेक्षा अपने पति को अधिक प्यारी हो । ३ । छिपकली · मध्यमा उँगली — Śabdasāgara
ज्येष्ठा · adj
स्त्री॰ बड़ी — Śabdasāgara
ज्येष्ठा · jyeshṭhā · s.f.
An elder sister — Platts (1884), digital edition courtesy DSAL, University of Chicago, p. 415
Cited formation "ज्येष्ठा" is ज्येष्ठ + -आ: ज्येष्ठ means "eldest, first-born", and the suffix -आ forms abstract, agent, action or instrumental nouns (masc.); also past participles. CHD Basic Grammar App. I §8(3) — cited from the extracted rule table
Cited formation "ज्येष्ठा" is ज्येष्ठ + -आ: ज्येष्ठ means "eldest, first-born", and the suffix -आ forms 'having' (adjectives). CHD Basic Grammar App. I §9(1) — cited from the extracted rule table
As a Sanskrit word
Meaning
the 16th (or accord. to modern reckoning 18th) lunar mansion (sacred to Indra), (parox.), &c. (also pl.)
Scripturally attested Verified derivationWhy this matches what you typed
M1 · same meaning "jyeṣṭhā" is the feminine form of "jyeṣṭha" — the same word with the feminine ending (nominative).
Dictionary citations
jyeṣṭhā f. (g. ajādi) the 16th (or accord. to modern reckoning 18th) lunar mansion (sacred to Indra), AV. xix, 7, 3 (parox.), TBr. iii, 1, 2; PārGṛ.; MBh. &c. (also pl.)
f. the eldest wife, Mn. ix, 122 & 124
a preferred wife, L.
the 8th year in the Jupiter cycle of 12 years, VarBṛS. viii, 10
the middle finger, L.
jyeṣṭha mfn. (Pāṇ. v, 3, 61) most excellent, pre-eminent, first, chief, best, greatest, (m.) the chief, RV. &c. (ifc. [e.g. vacana-, ‘best in speech’, Kāś.] Pāṇ. vi, 2, 25)
more excellent than (abl.), MBh. xiii, 7205
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