Where does “semiterrestrial” come from?

semiterrestrial (English) comes from English semi, from English semi-, from Latin sēmi-, from Proto-Indo-European sēmi — half; partially.

semiterrestrial (English): partly terrestrial, living sometimes on land

Definitions

  1. partly terrestrial, living sometimes on land

Ancestry of “semiterrestrial”, step by step

semiterrestrial traces back through two separate lines of ancestry.

via English semi

StepLanguageWordMeaning
1EnglishsemiA semi-detached house; A semitrailer; a...
2Englishsemi-half; partial, incomplete; somewhat, rather,...
3Latinsēmi-half
4Proto-Indo-Europeansēmihalf; partially

via English Terrestrial

StepLanguageWordMeaning
1EnglishTerrestrialAn inhabitant of the planet Earth
2LatinterrestrisOf or pertaining to the earth or land;...
3LatinTerraTerra goddess of the Earth
4Proto-Indo-Europeanters-dry
Every word from Proto-Indo-European sēmi
semiterrestrial — Etymology, Origin & Word History | Etymology Explorer