Where does “semiseparable” come from?

Semiseparable comes from Latin separabilis, capable of being separated, combined with the prefix semi- from Latin semi-, both ultimately from Proto-Indo-European sem-, meaning half or together.

semiseparable (English): Partially separable

Definitions

  1. Partially separable

Ancestry of “semiseparable”, step by step

semiseparable traces back through two separate lines of ancestry.

via English separable

StepLanguageWordMeaning
1EnglishseparableAble to be separated; Of a topological space,...
2Middle Frenchséparable
3Latinseparabilisseparable
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...

via English semi

StepLanguageWordMeaning
1EnglishsemiA semi-detached house; A semitrailer; a...
2Englishsemi-half; partial, incomplete; somewhat, rather,...
3Latinsēmi-half
4Proto-Indo-Europeansēmihalf; partially
Every word from English polyethylene glycolEvery word from Proto-Indo-European peg-Every word from Proto-Italic pektos