Meaning

noun a heterocyclic compound having a metal ion attached by coordinate bonds to at least two nonmetal ions

verb form a chelate, in chemistry

adjective relating to or characterized by chelation

originEtymology tree Hindi चेला (celā)bor. English chela Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-tós Proto-Indo-European *-eh₂tos Proto-Italic *-ātos Latin -ātuslbor. English -ate English chelate From chela + -ate (adjective-forming suffix).

Etymology from Wiktionary, CC BY-SA 3.0