Where does “crossbar” come from?

Crossbar comes from Middle English crose bar, a compound of crose and bar whose original sense is not documented.

crossbar (English): Any transverse bar or piece, such as a bar across...

Definitions

  1. Any transverse bar or piece, such as a bar across...

Ancestry of “crossbar”, step by step

crossbar traces back through 3 separate lines of ancestry.

via English cross

StepLanguageWordMeaning
1EnglishcrossA geometrical figure consisting of two straight...
2Frenchcroixcross; a representation of a cross; the cross as...
3GermanKreuzcross; clubs; sharp
4SpanishCruzcross
5Portuguesecruzcross
6Italiancrocecross
7Latincruxwooden frame on which criminals were crucified,...
8Proto-Italic*kruks
9Proto-Indo-Europeansḱer-to caw, crow

via English Bar

StepLanguageWordMeaning
1EnglishBarA solid, more or less rigid object of metal or wood with a uniform cross-section smaller than its length
2Germanbär
3Middle High Germanbërbear
4Old High GermanberiA berry
5Proto-West Germanicbaʀiberry
6Proto-Germanicbazjąberry
7Proto-Indo-Europeanbʰeh₂-to shine, glow light; to speak, say
8Proto-Indo-Europeanbʰeh₂-s-ri-

via Middle English crose bar

StepLanguageWordMeaning
1Middle Englishcrose bar

Words derived from “crossbar

Every word from Proto-Indo-European sḱer-