Where does “ekstratropisk” come from?

ekstratropisk (Norwegian Nynorsk) comes from Norwegian Nynorsk ekstra, from Latin extrā, from Latin exter, from Proto-Italic *eksteros.

ekstratropisk (Norwegian Nynorsk): extratropical

Definitions

  1. extratropical

Ancestry of “ekstratropisk”, step by step

ekstratropisk traces back through two separate lines of ancestry.

via Norwegian Nynorsk ekstra

StepLanguageWordMeaning
1Norwegian Nynorskekstraextra
2Latinextrāon the outside
3LatinexterOn the outside, outward, external, outer; Of...
4Proto-Italic*eksteros—

via Norwegian Nynorsk tropisk

StepLanguageWordMeaning
1Norwegian Nynorsktropisktropical
Every word from Proto-Italic *eksteros →Every word from Latin exter →Every word from Latin extrā →