Where does “rotaatiokäyrä” come from?

rotaatiokäyrä (Finnish) comes from Finnish rotaatio, from Latin rotatio, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere, from Latin dis-, from Latin calceus — small stone, pebble; gravel, rubble.

rotaatiokäyrä (Finnish): rotation curve of a galaxy

Definitions

  1. rotation curve of a galaxy

Ancestry of “rotaatiokäyrä”, step by step

rotaatiokäyrä traces back through two separate lines of ancestry.

via Finnish rotaatio

StepLanguageWordMeaning
1Finnishrotaatiorotation
2Latinrotatiorotation
3Latin-tiōtion, -ation, -ing
4Latindissertātiō(spoken) dissertation, discourse, disquisition
5Latindissertusarranged, disposed; explained
6Latindissereresecond-person singular future passive indicative...
7Latindis-asunder, apart, in two; reversal, removal;...
8Latincalceusshoe
9Latincalxlimestone; chalk; the finish line
10Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via Finnish käyrä

StepLanguageWordMeaning
1Finnishkäyräcrooked; curve; plot, graph, diagram
2Proto-Finnickäkräbent, crooked
3Proto-Germanichagrō
Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-