Where does “swamp orchid” come from?

swamp orchid (English) comes from English orchid, from New Latin Orchideae, from Latin orchis, from Ancient Greek ὄρχις, from Proto-Indo-European h₃erǵʰi- — testicle.

swamp orchid (English): Any orchid of the genus Phaius, commonly found in swamps

Definitions

  1. Any orchid of the genus Phaius, commonly found in swamps

Ancestry of “swamp orchid”, step by step

swamp orchid traces back through two separate lines of ancestry.

via English orchid

StepLanguageWordMeaning
1EnglishorchidA plant of the orchid family (Orchidaceae), bearing unusually-shaped flowers of beautiful colours
2New LatinOrchideae
3Latinorchisorchid; kind of olive
4Ancient Greekὄρχιςtesticle; ovary; orchid
5Proto-Indo-Europeanh₃erǵʰi-testicle

via English swamp

StepLanguageWordMeaning
1EnglishswampA piece of wet, spongy land; low ground saturated...
2Middle Englishswamswamp, muddy pool, bog, marsh", also "fungus,...
3Old Englishswammmushroom, fungus; sponge; first/third-person...
4Proto-Germanic*swammaz
5Proto-Indo-Europeanswombh-sponge, tree-fungus, swamp
Every word from Proto-Indo-European h₃erǵʰi-