Where does “semijoin” come from?

semijoin (English) comes from English join, from Middle English joinen, from Old French joindre, from Vulgar Latin junior, from Latin iūnior, from Latin iuvenior, from Latin iuvenis, from Proto-Italic *juwō — young.

semijoin (English): A type of join in relational algebra, denoted by...

Definitions

  1. A type of join in relational algebra, denoted by...

Ancestry of “semijoin”, step by step

semijoin traces back through two separate lines of ancestry.

via English join

StepLanguageWordMeaning
1EnglishjoinAn intersection of piping or wiring; an...
2Middle Englishjoinento join
3Old Frenchjoindreto meet up with; to go and see; to join; to join...
4Vulgar LatinjuniorAlternative form of iūnior
5Latiniūnior
6Latiniuvenioryounger, more youthful
7Latiniuvenisyoung; A youth, a young man, young woman, young...
8Proto-Italic*juwōyoung

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 Proto-Italic *juwō