Where does “nepenthean” come from?

nepenthean (English) comes from English nepenthes, from Latin nēpenthes, from Ancient Greek νηπενθής, from Ancient Greek -ής, from Proto-Indo-European -ēs, from Proto-Indo-European -ess, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

nepenthean (English): Bringing welcome forgetfulness or relief

Definitions

  1. Bringing welcome forgetfulness or relief

Ancestry of “nepenthean”, step by step

nepenthean traces back through two separate lines of ancestry.

via English nepenthes

StepLanguageWordMeaning
1EnglishnepenthesA drug mentioned in Homer's "Odyssey" as...
2Latinnēpenthes
3Ancient GreekνηπενθήςThat banishes pain and sorrow; nepenthean; Free...
4Ancient Greek-ήςadjective suffix
5Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
6Proto-Indo-European-ess
7Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via English ān

StepLanguageWordMeaning
1Englishān
2Middle Englishāna, an indefinite article
3Old Englishānlonely; entirely alone, solitary, single; one
4Proto-West Germanicainone
5Proto-Germanicainazone; some
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European -osEvery word from Ancient Greek -ήςEvery word from Ancient Greek νηπενθής