Where does “hourglass” come from?

Hourglass comes from English hour, from Middle English oure, from Latin hora meaning season or time of day, from Proto-Indo-European kāro-.

hourglass (English): A clock made of two glass vessels connected by a...

Definitions

  1. A clock made of two glass vessels connected by a...

Ancestry of “hourglass”, step by step

hourglass traces back through two separate lines of ancestry.

via English hour

StepLanguageWordMeaning
1EnglishhourA time period of sixty minutes; one twenty-fourth...
2Middle Englishhourehour; A time, occasion, or moment; A canonical...
3Old Frenchhourehour; time; moment to do something
4Latinhōrahour
5Ancient Greekὥραany defined period of time; season; climate
6Proto-Hellenic*worā
7Proto-Indo-Europeanwēr-true
8Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel

via English glass

StepLanguageWordMeaning
1EnglishglassAn amorphous solid, often transparent substance...
2Scottish Gaelicglasgreen; grey; lock
3Middle Irishglas
4Old Irishglasgreen, greenish; blue, green-blue, grey-blue; the...
5Proto-Celticglastosgreen, blue
6Proto-Indo-Europeanǵʰl̥h₃stós
7Proto-Indo-Europeanǵʰelh₃-to flourish; green, yellow

Words derived from “hourglass

Every word from Proto-Indo-European wer-Every word from Proto-Indo-European wēr-Every word from Proto-Hellenic *worā