Where does “photoradar” come from?

photoradar (English) comes from English RADAR, from English ranging, from English range, from Middle English rengen, from Old French rengier, from Old French reng, from Latin rencus, from Gaulish rekos — to set in order.

photoradar (English): A radar-based technology used in speed cameras

Definitions

  1. A radar-based technology used in speed cameras

Ancestry of “photoradar”, step by step

photoradar traces back through two separate lines of ancestry.

via English RADAR

StepLanguageWordMeaning
1EnglishRADARAcronym of radio detection and ranging
2Englishrangingpresent participle of range; Act of one who...
3EnglishrangeA line or series of mountains, buildings, etc; A...
4Middle Englishrengen
5Old Frenchrengierto line up; to form ranks
6Old Frenchrengplace; position
7Latinrencusrow; order, rank
8Gaulishrekos
9Proto-Celticreketito arrange
10Proto-Indo-European(H)rek-to set in order

via English photo

StepLanguageWordMeaning
1EnglishphotoA photograph; A photo finish; To take a...
2EnglishphotographyThe art and technology of producing images on...
3Frenchphotographiephotography; photograph
4Ancient Greekφωτο-
5Ancient GreekφῶςAttic form of φᾰ́ος
6Proto-Hellenicpʰáos
7Proto-Indo-Europeanbʰéh₂os
8Proto-Indo-Europeanbʰeh₂-to shine, glow light; to speak, say
9Proto-Indo-Europeanbʰeh₂-s-ri-
Every word from Proto-Indo-European (H)rek-Every word from Proto-Celtic reketiEvery word from Gaulish rekos
photoradar — Etymology, Origin & Word History | Etymology Explorer