radar.
radar (radio device for detecting distant objects)
Meaning & usage
radar (radio device for detecting distant objects)
ellipsis of radar de velocidade (“speed camera”)
Where this word comes from
Etymology tree Latin radiusder. English radio- Proto-Indo-European *kʷelh₁-der. Ancient Greek τῆλε (têle)lbor. French télé- Proto-Indo-European *gerbʰ- Proto-Hellenic *grə́pʰō Ancient Greek γράφω (gráphō) Ancient Greek -γράφος (-gráphos)bor. Latin -graphuslbor. French -graphe French télégraphebor. English telegraph Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -ius Latin -ia Old French -ieder. Middle English -ie Middle English -y English -y English telegraphy English radiotelegraphyclip. English radio Proto-Indo-European *de Proto-Indo-European *-h₁ Proto-Indo-European *déh₁ Proto-Italic *dē Latin dē Latin dē- Proto-Indo-European *(s)teg-der. Proto-Italic *tegō Latin tegō Latin dētegō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tio Latin dētēctiōder. Latin dētēctiōnembor. English detection Proto-Indo-European *h₂ent- Proto-Indo-European *-s Proto-Indo-European *h₂énts Proto-Indo-European *-i Proto-Indo-European *h₂énti Proto-Germanic *andi Old English and Middle English and English and Proto-Indo-European *(H)rek-der. Proto-Celtic *reketi Gaulish *rekosbor.? Proto-Indo-European *h₃reǵ-der. Proto-Germanic *rinkanąder. Proto-Germanic *rankaz Frankish *rankbor.? Vulgar Latin *rencus Old French reng Proto-Italic *-āzi ▲ Latin -ereinflu. Latin -āre Old French -ier Old French rengierbor. Middle English rengen English range Proto-Germanic *-ungō Old English -ung Middle English -ynge English -ing English ranging English RADAR English radarbor. Portuguese radar Borrowed from English radar.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.