Where does “pentacosene” come from?

pentacosene (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.

pentacosene (English): Any of very many isomeric forms of an unsaturated aliphatic hydrocarbon having 25 carbon atoms and one double bond

Definitions

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

Ancestry of “pentacosene”, 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 déḱm̥t →Every word from Proto-Indo-European dwidḱómt →Every word from Proto-Indo-European wídḱm̥ti →
pentacosene — Etymology, Origin & Word History | Etymology Explorer