Where does “risetime” come from?

risetime (English) comes from English Time, from Middle English tyme, from Old French thym, from Latin thymum, from Ancient Greek θύμον, from Ancient Greek θύω, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

risetime (English): The time taken for a wave to rise from the baseline to the peak

Definitions

  1. The time taken for a wave to rise from the baseline to the peak

Ancestry of “risetime”, step by step

risetime traces back through two separate lines of ancestry.

via English Time

StepLanguageWordMeaning
1EnglishTimeThe inevitable progression into the future with the passing of present and past events
2Middle Englishtymethyme; time; A specific duration or period of...
3Old Frenchthym
4Latinthymumthyme; accusative singular of thymus
5Ancient Greekθύμονthyme
6Ancient GreekθύωI offer in sacrifice, slay, burn, immolate; I...
7Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via English rise

StepLanguageWordMeaning
1EnglishriseTo move, or appear to move, physically upwards...
2Middle Englishrisento rise
3Old Englishrīsanto rise; to seize, carry off
4Proto-West Germanic*rīsanto scale; move vertically (either up or down)
5Proto-Germanicrīsanąto scale; move vertically; to rise
6Proto-Indo-Europeanh₁rey-to arise, arise; to rise, arise; to rise; arise
Every word from Proto-Indo-European dʰewh₂-