Where does “gyrobirotunda” come from?

gyrobirotunda (English) comes from English gyro, from English gyroscope, from French gyroscope, from Ancient Greek σκοπός, from Ancient Greek σκέπτομαι, from Proto-Hellenic sképťomai, from Proto-Indo-European spéḱyeti, from Proto-Indo-European speḱ- — to see, to look, to observe.

gyrobirotunda (English): A birotunda in which the bases have the opposite orientation

Definitions

  1. A birotunda in which the bases have the opposite orientation

Ancestry of “gyrobirotunda”, step by step

gyrobirotunda traces back through two separate lines of ancestry.

via English gyro

StepLanguageWordMeaning
1EnglishgyroA gyroscope; A gyrocompass; An autogyro
2Englishgyroscopean apparatus composed of a wheel which spins...
3Frenchgyroscopegyroscope
4Ancient Greekσκοπόςwatcher, lookout; protector, guardian; spy, scout
5Ancient GreekσκέπτομαιI look at, examine; I examine, consider, think
6Proto-Hellenicsképťomaito look at
7Proto-Indo-Europeanspéḱyetito be looking at, to keep looking at
8Proto-Indo-Europeanspeḱ-to see, to look, to observe

via English birotunda

StepLanguageWordMeaning
1EnglishbirotundaA structure made of two adjoined rotundas
2Englishbi-API; two, paired, both; half
3Ancient Greekβίοςlife
4Ancient GreekΓένεσιςGenesis. The title of the first book of the Bible and Pentateuch as in the Septuagint translation in Greek
5Proto-Hellenicgénetisorigin, source
6Proto-Indo-Europeanǵénh₁tisbirth, production
7Proto-Indo-Europeanǵenh₁-to produce, to beget, to give birth
Every word from Proto-Indo-European speḱ-