Where does “semicylindrical” come from?

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

semicylindrical (English): Having the shape of a semicylinder; Of a leaf:...

Definitions

  1. Having the shape of a semicylinder; Of a leaf:...

Ancestry of “semicylindrical”, step by step

semicylindrical 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 cylindrical

StepLanguageWordMeaning
1EnglishcylindricalShaped like a cylinder; Describing a map...
2Latincylindricuscylindrical
3Ancient Greekκυλινδρικός
Every word from Proto-Indo-European sēmiEvery word from English semi-Every word from English semi