Where does “paleotropical” come from?

paleotropical (English) comes from English tropical, from English tropic, from French tropique, from Late Latin tropicus, from Ancient Greek τροπικός, from Ancient Greek τροπή, from Ancient Greek -ή, from Ancient Greek -ᾱ.

Ancestry of “paleotropical”, step by step

paleotropical traces back through two separate lines of ancestry.

via English tropical

StepLanguageWordMeaning
1EnglishtropicalOf or pertaining to the tropics, the equatorial...
2EnglishtropicEither of the two parallels of latitude 23°27′...
3Frenchtropiquetropic
4Late Latintropicusof or pertaining to the solstice, as a noun, one...
5Ancient Greekτροπικόςof or pertaining to a turn or change; of or...
6Ancient Greekτροπήa turning; turning away the enemy, a rout;...
7Ancient Greeksuffix of feminine nouns in the [[Appendix:Ancient Greek first declension
8Ancient Greek-ᾱnominal suffix
9Proto-Indo-European-éh₂

via English paleo

StepLanguageWordMeaning
1EnglishpaleoClipping of paleodiet
2Hawaiianleovoice; sound; command; verbal message
3Proto-Polynesianleovoice; language; speech
4Proto-Oceanicleqo
5Proto-Oceanic*(qa-)liqoʀthroat front part of the neck
6Proto-Eastern Malayo-Polynesian*liqəʀ
7Proto-Central-Eastern Malayo-Polynesian*liqəʀ
8Proto-Malayo-Polynesianliqəʀneck
9Proto-Austronesianliqəʀneck
Every word from Proto-Indo-European -éh₂Every word from Ancient Greek Every word from Ancient Greek τροπή