Where does “Mongolian poplar” come from?

Mongolian poplar (English) comes from English poplar, from Middle English popler, from Old French poplier, from Latin pōpulus, from Proto-Italic poplos — army.

Mongolian poplar (English): Populus suaveolens, a species of poplar found in Mongolia, Korea, and Japan

Definitions

  1. Populus suaveolens, a species of poplar found in Mongolia, Korea, and Japan

Ancestry of “Mongolian poplar”, step by step

Mongolian poplar traces back through two separate lines of ancestry.

via English poplar

StepLanguageWordMeaning
1EnglishpoplarAny of various deciduous trees of the genus...
2Middle Englishpopler
3Old Frenchpoplier
4Latinpōpulusa people, nation
5Proto-Italicpoplosarmy

via English Mongolian

StepLanguageWordMeaning
1EnglishMongolianOf or relating to Mongolia or its peoples, languages, or cultures
Every word from Proto-Italic poplosEvery word from Latin pōpulusEvery word from Old French poplier