Where does “ἀγρυπνία” come from?

ἀγρυπνία (Ancient Greek) comes from Ancient Greek ἄγρυπνος, from Ancient Greek Ὕπνος, from Proto-Hellenic húpnos, from Proto-Indo-European supnós, from Proto-Indo-European swóp-r̥ ~ swép-n̥s, from Proto-Indo-European swep- — to sleep.

ἀγρυπνία (Ancient Greek): sleeplessness, watchfulness; a time of watching

Definitions

  1. sleeplessness, watchfulness; a time of watching

Ancestry of “ἀγρυπνία”, step by step

StepLanguageWordMeaning
1Ancient Greekἄγρυπνοςwakeful, sleepless, vigilant; banishing sleep,...
2Ancient GreekὝπνοςHypnos, the Greek mythological god of sleep
3Proto-Hellenichúpnos—
4Proto-Indo-Europeansupnóssleep; death
5Proto-Indo-Europeanswóp-r̥ ~ swép-n̥s—
6Proto-Indo-Europeanswep-to sleep

Words derived from “ἀγρυπνία”

Every word from Proto-Indo-European swep- →Every word from Proto-Indo-European swóp-r̥ ~ swép-n̥s →Every word from Proto-Indo-European supnós →