Meaning

noun large semi-evergreen tree of the East Indies; trunk exudes a tenacious gum; bitter bark used as a tonic; seeds yield an aromatic oil; sometimes placed in genus Melia

originBorrowed from Hindi नीम (nīm) / Urdu نِیم (nīm), from Sanskrit निम्ब (nimba).

Etymology from Wiktionary, CC BY-SA 3.0