Where does “rosopunkto” come from?

rosopunkto (Esperanto) comes from Esperanto punkto, from Russian пункт, from Polish punkt, from Latin pūnctum, from Latin punctus, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

rosopunkto (Esperanto): dew point

Definitions

  1. dew point

Ancestry of “rosopunkto”, step by step

rosopunkto traces back through two separate lines of ancestry.

via Esperanto punkto

StepLanguageWordMeaning
1Esperantopunktopoint
2Russianпунктpoint; point, station
3Polishpunktdot; point; spot
4Latinpūnctumpoint
5Latinpunctuspricked, punctured, pierced, having been pricked;...
6Latin-tusForms the past participle of verbs; Forms...
7Proto-Italic-tus
8Proto-Indo-European-tusDerives action nouns from verb roots

via Esperanto roso

StepLanguageWordMeaning
1Esperantorosodew
2Latinrōsdew
Every word from Proto-Indo-European -tusEvery word from Latin -tusEvery word from Latin punctus