Where does “pentacosadiene” come from?

pentacosadiene (English) comes from English -cosa-, from English icosa-, from Ancient Greek εἴκοσι, from Proto-Hellenic ewīkəti, from Proto-Indo-European wídḱm̥ti, from Proto-Indo-European dwidḱómt, from Proto-Indo-European déḱm̥t — ten.

pentacosadiene (English): Any of very many isomeric forms of an unsaturated aliphatic hydrocarbon having 25 carbon atoms and two double bonds

Definitions

  1. Any of very many isomeric forms of an unsaturated aliphatic hydrocarbon having 25 carbon atoms and two double bonds

Ancestry of “pentacosadiene”, step by step

StepLanguageWordMeaning
1English-cosa-
2Englishicosa-API; twenty
3Ancient Greekεἴκοσιtwenty
4Proto-Hellenicewīkəti
5Proto-Indo-Europeanwídḱm̥titwenty
6Proto-Indo-Europeandwidḱómt
7Proto-Indo-Europeandéḱm̥tten
Every word from Proto-Indo-European déḱm̥tEvery word from Proto-Indo-European dwidḱómtEvery word from Proto-Indo-European wídḱm̥ti
pentacosadiene — Etymology, Origin & Word History | Etymology Explorer