Where does “doubletime” come from?

doubletime (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.

doubletime (English): A gene in Drosophila melanogaster that produces the DBT protein kinase, used to control circadian rhythm

Definitions

  1. A gene in Drosophila melanogaster that produces the DBT protein kinase, used to control circadian rhythm

Ancestry of “doubletime”, step by step

doubletime 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 doublé

StepLanguageWordMeaning
1EnglishdoubléA compound attack that deceives the opponent's...
2Frenchdoublédouble, brace, pair; double; doublé
3Middle Frenchdouble
4Old Frenchdobledouble
5Latindūplusdouble (twice as much, or as big)
6Proto-Italic*duplosdouble
Every word from Proto-Indo-European dʰewh₂-