Where does “undervegetation” come from?

undervegetation (English) comes from English vegetation, from Middle French végétation, from Latin vegetatio, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere, from Latin dis- — small stone, pebble; gravel, rubble.

undervegetation (English): Vegetation lying underneath; underbrush

Definitions

  1. Vegetation lying underneath; underbrush

Ancestry of “undervegetation”, step by step

undervegetation traces back through two separate lines of ancestry.

via English vegetation

StepLanguageWordMeaning
1EnglishvegetationPlants, taken collectively; An abnormal verrucous...
2Middle Frenchvégétation
3Latinvegetatioenlivening, quickening, excitement; vegetation
4Latin-tiōtion, -ation, -ing
5Latindissertātiō(spoken) dissertation, discourse, disquisition
6Latindissertusarranged, disposed; explained
7Latindissereresecond-person singular future passive indicative...
8Latindis-asunder, apart, in two; reversal, removal;...
9Latincalceusshoe
10Latincalxlimestone; chalk; the finish line
11Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English under

StepLanguageWordMeaning
1EnglishunderIn or at a lower level than; As a subject of;...
2Middle Englishunderunder
3Old Englishunderunder, beneath
4Proto-Germanicunderamong, between; under, beneath; under
5Proto-Indo-Europeanh₁entérbetween
6Proto-Indo-Europeanh₁enin; in, inside
Every word from Ancient Greek χάλιξ