Where does “thermoneutrally” come from?

thermoneutrally (English) comes from English thermoneutral, from English neutral, from Middle French neutral, from Old French neutral, from Latin neutrālis, from Latin neuter, from Latin nē, from Latin gēns — to produce, to beget, to give birth.

Ancestry of “thermoneutrally”, step by step

thermoneutrally traces back through two separate lines of ancestry.

via English thermoneutral

StepLanguageWordMeaning
1EnglishthermoneutralSynonym of isothermal
2EnglishneutralNot taking sides in a conflict such as war;...
3Middle Frenchneutral
4Old Frenchneutral
5Latinneutrālisneuter
6Latinneuterneither; neuter; neuter, intransitive
7Latinno; not
8LatingēnsRoman clan (related by birth or marriage and sharing a common name and often united by certain religious rites)
9Proto-Italic*gentis
10Proto-Indo-Europeanǵénh₁tisbirth, production
11Proto-Indo-Europeanǵenh₁-to produce, to beget, to give birth

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European ǵenh₁-