Where does “ekstratropisk” come from?

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

ekstratropisk (Norwegian Bokmål): extratropical

Definitions

  1. extratropical

Ancestry of “ekstratropisk”, step by step

ekstratropisk traces back through two separate lines of ancestry.

via Norwegian Bokmål ekstra

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

via Norwegian Bokmål tropisk

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