Where does “pentaselenide” come from?

pentaselenide (English) comes from English selenide, from English -ide, from Middle French -ide, from Latin -is, from Latin -a, from Proto-Italic -ā, from Proto-Indo-European -éh₂.

pentaselenide (English): Five selenide ions in a compound (Se5)

Definitions

  1. Five selenide ions in a compound (Se5)

Ancestry of “pentaselenide”, step by step

pentaselenide traces back through two separate lines of ancestry.

via English selenide

StepLanguageWordMeaning
1Englishselenideany compound in which selenium serves as an anion...
2English-ideAny of a group of related compounds - azide,...
3Middle French-ideid (dynast)
4Latin-issuffixed to the root of nouns in composition,...
5Latin-asuffixed to the roots of verbs, forms agent...
6Proto-ItalicForms masculine agent nouns from prefixed or compounded bases
7Proto-Indo-European-éh₂

via English penta

StepLanguageWordMeaning
1Englishpenta
Every word from Proto-Indo-European -éh₂Every word from Latin -isEvery word from Latin -a