As a deity name
Name 925 of the Lakshmi Sahasranāma — Skanda Purana / Sanat Kumara Samhita, as taught by Sages Sanatkumara and Devotees
As a Hindi name
Nearest attested word 'मैत्रेया' does not appear as a word in our Hindi sources. The nearest word is मैत्रेय, meaning Of or relating to a friend. — Platts (1884), digital edition courtesy DSAL, University of Chicago nearest word: मैत्रेय — a suggestion, not a meaning
As a Sanskrit word
Meaning
friendly, benevolent — feminine form of maitreya
Scripturally attestedWhy this matches what you typed
M1 · same meaning "maitreyā" is the feminine form of "maitreya" — the same word with the feminine ending (nominative).
Dictionary citations
maitreya mfn. (fr. maitri) friendly, benevolent, MBh.
maitreya m. (fr. mitrayu, Pāṇ. vi, 4, 174) patr. of Kauṣārava, AitBr.
Caveats
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