Where does “demicylinder” come from?

demicylinder (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 “demicylinder”, step by step

demicylinder 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 cylinder

StepLanguageWordMeaning
1EnglishcylinderA surface created by projecting a closed...
2Middle Frenchchilindrecylinder
3Latincylindruscylinder; a roller; a cylindrical stone for...
4Ancient Greekκύλινδροςround stone, tumbler, marble; roller, cylinder;...
5Ancient GreekκυλίνδωI roll, turn over
Every word from Proto-Indo-European stel-
demicylinder — Etymology, Origin & Word History | Etymology Explorer