Where does “borderline” come from?

Borderline derives from English border and English line, with border tracing to Old French bordure, Frankish bord, and Proto-Indo-European bʰer-, while line traces to Proto-Indo-European līno-.

borderline (English): nearly; not clearly on one side or the other of a...

Definitions

  1. nearly; not clearly on one side or the other of a...

Ancestry of “borderline”, step by step

borderline traces back through two separate lines of ancestry.

via English line

StepLanguageWordMeaning
1EnglishlineA path through two or more points (compare ‘segment’); a continuous mark, including as made by a pen; any path, curved or straight
2Middle Englishlinerope, cord; line, rule, ruler, measure; rule,...
3Old Englishlīneline, rope, cord; line, cable, rope, hawser,...
4Proto-West Germanic*līnāline, chord, rope, string
5Proto-Germaniclīnǭthat which is made of flax; line, chord, rope,...
6Proto-Germaniclīnąflax
7Proto-Indo-Europeanlīno-flax

via English border

StepLanguageWordMeaning
1EnglishborderThe outer edge of something; A decorative strip...
2Middle EnglishbordureAn edge, boundary, demarcation; A heraldic...
3Old Frenchbordeure
4Old Frenchborderto border
5Frankishbordplank, board; side of a ship or vessel; board,...
6Proto-Germanicburdąboard, plank; table
7Proto-Indo-Europeanbʰers-top, tip, point

Words derived from “borderline

Every word from Proto-Indo-European līno-