Where does “separatrix” come from?

separatrix (English) comes from Latin separatrix, from English separator, from Latin separator, from Latin sēparō, from Latin parō, from Latin pectus, from Proto-Italic pektos, from Proto-Indo-European peg- — Any of a series of water-soluble polymers, of...

separatrix (English): The ⟨L⟩ or pipe ⟨|⟩ mark formerly used to divide...

Definitions

  1. The ⟨L⟩ or pipe ⟨|⟩ mark formerly used to divide...

Ancestry of “separatrix”, step by step

StepLanguageWordMeaning
1Latinseparatrix
2EnglishseparatorAn object located between two or more things and...
3Latinseparatorsecond-person singular future passive imperative...
4Latinsēparōto divide, separate
5Latinparōto arrange, order, contrive, design
6Latinpectuschest, breast; heart, breast, as the seat of...
7Proto-Italicpektos
8Proto-Indo-Europeanpeg-breast
9Englishpolyethylene glycolAny of a series of water-soluble polymers, of...
Every word from English polyethylene glycolEvery word from Proto-Indo-European peg-Every word from Proto-Italic pektos