Where does “longwave” come from?

longwave (English) comes from English long, from English longitude, from Old French longitude, from Latin longitūdō, from Latin longus, from Latin -ē, from Latin dis-, from Latin calceus — small stone, pebble; gravel, rubble.

longwave (English): Having a wavelength of greater than 1000 meters;...

Definitions

  1. Having a wavelength of greater than 1000 meters;...

Ancestry of “longwave”, step by step

longwave traces back through two separate lines of ancestry.

via English long

StepLanguageWordMeaning
1EnglishlongHaving much distance from one terminating point...
2EnglishlongitudeAngular distance measured west or east of the...
3Old Frenchlongitude
4Latinlongitūdōlength, longitude; longness
5Latinlongusfar, long; extended, prolonged; long; tedious,...
6Latinly; used to form adverbs from adjectives
7Latindis-asunder, apart, in two; reversal, removal;...
8Latincalceusshoe
9Latincalxlimestone; chalk; the finish line
10Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English wave

StepLanguageWordMeaning
1EnglishwaveTo move back and forth repeatedly and somewhat...
2Middle EnglishwaweA wave; Any sort of flowing or spurting motion;...
3Old Englishwǣġa weight; a tool for weighing, balance, scale
4Proto-Germanicwēgazwave; sea
5Proto-Indo-Europeanweǵʰ-to bring; to transport
Every word from Ancient Greek χάλιξ
longwave — Etymology, Origin & Word History | Etymology Explorer