Where does “semiordinate” come from?

semiordinate (English) comes from English semi, from English semi-, from Latin sēmi-, from Proto-Indo-European sēmi — half; partially.

semiordinate (English): Half a chord bisected by the transverse diameter of a conic

Definitions

  1. Half a chord bisected by the transverse diameter of a conic

Ancestry of “semiordinate”, step by step

semiordinate traces back through two separate lines of ancestry.

via English semi

StepLanguageWordMeaning
1EnglishsemiA semi-detached house; A semitrailer; a...
2Englishsemi-half; partial, incomplete; somewhat, rather,...
3Latinsēmi-half
4Proto-Indo-Europeansēmihalf; partially

via English ordinate

StepLanguageWordMeaning
1EnglishordinateThe second of the two terms by which a point is...
2Latinordinatusarranged, ordered, having been put in order,...
3Latinōrdinōto arrange, put in order, organize
Every word from Proto-Indo-European sēmiEvery word from English semi-Every word from English semi