Where does “adamantanyl” come from?

adamantanyl (English) comes from English adamantane, from Ancient Greek ἀδάμας, from Ancient Greek ἀ-, from Proto-Hellenic hə-, from Proto-Indo-European sm̥-, from Proto-Indo-European sem- — together, one.

Ancestry of “adamantanyl”, step by step

adamantanyl traces back through two separate lines of ancestry.

via English adamantane

StepLanguageWordMeaning
1EnglishadamantaneA polycyclic hydrocarbon, CH, having a cagelike...
2Ancient Greekἀδάμαςadamant, the hardest metal; a hard metal...
3Ancient Greekἀ-The alpha privativum, used to make words that...
4Proto-Hellenichə-same; together
5Proto-Indo-Europeansm̥-one; with, together
6Proto-Indo-Europeansem-together, one

via English YL

StepLanguageWordMeaning
1EnglishYLA female radio amateur; Initialism of young...
2Englishyoung ladyUsed other than with a figurative or idiomatic...
Every word from Proto-Indo-European sem-
adamantanyl — Etymology, Origin & Word History | Etymology Explorer