Where does “demicylindrical” come from?

demicylindrical (English) comes from English demi, from Middle English demi, from Anglo-Norman demi, from Latin dīmidius, from Latin medius, from Latin locus, from Old Latin stlocus, from Proto-Italic stlokos — to put, to place; to locate.

Ancestry of “demicylindrical”, step by step

demicylindrical traces back through two separate lines of ancestry.

via English demi

StepLanguageWordMeaning
1EnglishdemiAlternative spelling of demy; A fifty pence...
2Middle Englishdemihalf, half-sized, partial
3Anglo-Normandemihalf
4Latindīmidiushalf
5Latinmediusmiddle; half; moderate
6Latinlocusplace, spot; a passage of literature; "in the...
7Old Latinstlocus
8Proto-Italicstlokos
9Proto-Indo-Europeanstel-to put, to place; to locate

via English cylindrical

StepLanguageWordMeaning
1EnglishcylindricalShaped like a cylinder; Describing a map...
2Latincylindricuscylindrical
3Ancient Greekκυλινδρικός
Every word from Proto-Indo-European stel-Every word from Proto-Italic stlokosEvery word from Old Latin stlocus
demicylindrical — Etymology, Origin & Word History | Etymology Explorer