English

heteropolymetalate

From hetero- + poly- + metalate.

Proto-Indo-European *sem- ‘one, whole’

Proto-Indo-European *sḿ̥teros

Proto-Hellenic *hə́teros

Ancient Greek ἕτερος ‘other, another, different’

Proto-Indo-European *pleh₁- ‘to fill’

Proto-Indo-European *polh₁ús ‘much, many’

Ancient Greek πολύς ‘many, much’

English poly-

Today it means

noun A chemical compound composed of one metal, oxide, and one or more main group oxyanions.

Language periods are conventional ranges, not dates for this word.

Etymograph / heteropolymetalate