Where does “nongreenhouse” come from?

nongreenhouse (English) comes from English greenhouse, from English Green, from Middle English grene, from Old English grēne, from Proto-West Germanic grōnī, from Proto-Germanic grōniz, from Proto-Indo-European ǵʰreh₁- — to become green, grow; to grow; to green, to grow.

nongreenhouse (English): Not of or pertaining to greenhouse gases

Definitions

  1. Not of or pertaining to greenhouse gases

Ancestry of “nongreenhouse”, step by step

nongreenhouse traces back through two separate lines of ancestry.

via English greenhouse

StepLanguageWordMeaning
1EnglishgreenhouseA building used to grow plants, particularly one...
2EnglishGreenOf, or pertaining, to a Green Party or green...
3Middle Englishgrenegreen
4Old Englishgrēnegreen
5Proto-West Germanicgrōnīgreen
6Proto-Germanicgrōnizgreen
7Proto-Indo-Europeanǵʰreh₁-to become green, grow; to grow; to green, to grow

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European ǵʰreh₁-Every word from Proto-Germanic grōnizEvery word from Proto-West Germanic grōnī