Where does “bifocality” come from?

bifocality (English) comes from English bifocal, from English bi-, from Ancient Greek βίος, from Ancient Greek Γένεσις, from Proto-Hellenic génetis, from Proto-Indo-European ǵénh₁tis, from Proto-Indo-European ǵenh₁- — to produce, to beget, to give birth.

bifocality (English): The quality of being bifocal

Definitions

  1. The quality of being bifocal

Ancestry of “bifocality”, step by step

bifocality traces back through two separate lines of ancestry.

via English bifocal

StepLanguageWordMeaning
1EnglishbifocalHaving two focal lengths; Divided into two parts,...
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

via English ity

StepLanguageWordMeaning
1Englishity
2Ingrian-uUsed to form nouns from verbs
Every word from Proto-Indo-European ǵenh₁-Every word from Proto-Indo-European ǵénh₁tisEvery word from Proto-Hellenic génetis