radar · noun, verb1
- Latinradius
- Englishradio-
- Proto-Indo-European*kʷelh₁-
- Ancient Greekτῆλε (têle)
- Frenchtélé-
- Frenchtélégraphe
- Englishtelegraph
- Englishtelegraphy
- Englishradiotelegraphyclip.
- Englishradio
- Proto-Indo-European*de
- Proto-Indo-European*déh₁
- Proto-Italic*dē
- Latindē
- Latindē-
- Proto-Indo-European*(s)teg-
- Proto-Indo-European*(s)tégeti
- Proto-Italic*tegō
- Latintegō
- Latindētegō
- Latindētēctiō
- Englishdetection
- Proto-Indo-European*h₂ent-
- Proto-Indo-European*h₂énts
- Proto-Indo-European*h₂énti
- Proto-Germanic*andi
- Old Englishand
- Middle Englishand
- Englishand
- Proto-Indo-European*(H)rek-
- Proto-Celtic*reketi
- Gaulish*rekosbor.?
- Proto-Indo-European*h₃reǵ-
- Proto-Germanic*rinkaną
- Proto-Germanic*rankaz
- Frankish*rankbor.?
- Vulgar Latin*rencus
- Old Frenchreng
- Old Frenchrengier
- Middle Englishrengen
- Englishrange
- Englishranging
- EnglishRADAR
- English todayradar
The noun is derived from RADAR by anacronymic evolution. RADAR is an acronym of ra(dio) d(etection) a(nd) r(anging) which was coined by Lieutenant-Commander Samuel M. Tucker and Lieutenant-Commander F. R. Furth of the United States Navy in November 1940. The verb is probably derived from the noun.
RADAR · noun2
Acronym of radio detection and ranging. Coined by the United States Navy in 1940. The lowercase form (radar) is by anacronymic evolution.
Etymology from Wiktionary, CC BY-SA 4.0.