Where does “omnidirectional” come from?

Omnidirectional comes from English directional, which derives from English direction, ultimately tracing to Latin dirigo and rego, both descended from Proto-Indo-European h₃reǵ- meaning to straighten or guide.

omnidirectional (English): In every direction, especially of a radio system...

Definitions

  1. In every direction, especially of a radio system...

Ancestry of “omnidirectional”, step by step

omnidirectional traces back through two separate lines of ancestry.

via English directional

StepLanguageWordMeaning
1EnglishdirectionalIndicating direction; Of or relating to guidance...
2Frenchdirectionneldirectional
3Frenchdirectiondirection; government; the director of the...
4Latindīrectiodirection (act of directing)
5Latin-tiōtion, -ation, -ing
6Latindissertātiō(spoken) dissertation, discourse, disquisition
7Latindissertusarranged, disposed; explained
8Latindissereresecond-person singular future passive indicative...
9Latindis-asunder, apart, in two; reversal, removal;...
10Latincalceusshoe
11Latincalxlimestone; chalk; the finish line
12Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via French omnidirectionnel

StepLanguageWordMeaning
1Frenchomnidirectionnelomnidirectional
2Frenchomni-prefix meaning everywhere; prefix meaning all
3Latinomnisevery; all
4Proto-Italicopnisevery, all
5Proto-Indo-Europeanh₃ep-ni-sworking
6Proto-Indo-Europeanh₃ep-to work, toil, make; ability, force

Words derived from “omnidirectional

Every word from Ancient Greek χάλιξ