Where does “biorthonormality” come from?

biorthonormality (English) comes from English biorthonormal, from English orthonormal, from English orthogonal, from Middle French orthogonal, from Medieval Latin orthogonalis, from Latin orthogonius, from Ancient Greek ὀρθογώνιος, from Ancient Greek ὀρθός — Creates adjectives from verb stems.

biorthonormality (English): The condition of being biorthonormal

Definitions

  1. The condition of being biorthonormal

Ancestry of “biorthonormality”, step by step

biorthonormality traces back through two separate lines of ancestry.

via English biorthonormal

StepLanguageWordMeaning
1EnglishbiorthonormalOrthonormal and having elements that are each...
2EnglishorthonormalOf a set of vectors, both orthogonal and...
3EnglishorthogonalOf two objects, at right angles; perpendicular to...
4Middle Frenchorthogonal—
5Medieval Latinorthogonalisorthogonal
6Latinorthogoniusright-angled; rectangular; orthogonal
7Ancient Greekὀρθογώνιοςright-angled; rectangular
8Ancient Greekὀρθόςstraight, upright, erect; straight forward, in a...
9Proto-Hellenicortʰwós—
10Proto-Indo-Europeanh₃r̥dʰwós—
11Proto-Indo-Europeanh₃erdʰ-to increase, grow; upright, high
12Proto-Indo-European-wósCreates adjectives from verb stems

via English ity

StepLanguageWordMeaning
1Englishity—
2Ingrian-uUsed to form nouns from verbs
Every word from Proto-Indo-European -wós →Every word from Proto-Indo-European h₃erdʰ- →Every word from Proto-Indo-European h₃r̥dʰwós →