Where does “demisphere” come from?

demisphere (English) comes from English sphere, from Middle English spere, from Old French sphere, from Latin sphēra, from Ancient Greek σφαῖρα, from Ancient Greek -ειδής, from Ancient Greek -ής, from Proto-Indo-European -ēs — Creates action nouns or result nouns from verbs;...

Ancestry of “demisphere”, step by step

demisphere traces back through two separate lines of ancestry.

via English sphere

StepLanguageWordMeaning
1EnglishsphereA regular three-dimensional object in which every...
2Middle EnglishspereA spear or lance; The Lance of Longinus; A barb...
3Old Frenchspheresphere shape
4Latinsphēra
5Ancient Greekσφαῖραball, globe, sphere
6Ancient Greek-ειδήςlike, connected to, from the nature of, full of;...
7Ancient Greek-ήςadjective suffix
8Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
9Proto-Indo-European-ess
10Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

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
Every word from Proto-Indo-European -osEvery word from Ancient Greek -ειδήςEvery word from Ancient Greek σφαῖρα