Where does “deepnight” come from?

deepnight (English) comes from English deep, from Middle English dep, from English department, from French département, from Middle French département, from Old French département, from Old French departir, from Latin departiō — afterwards, post; by, at.

deepnight (English): The middle of the night; dead of night

Definitions

  1. The middle of the night; dead of night

Ancestry of “deepnight”, step by step

deepnight traces back through two separate lines of ancestry.

via English deep

StepLanguageWordMeaning
1Englishdeep"Extending far away from a point of reference,...
2Middle EnglishdepAlternative form of depe
3EnglishdepartmentA part, portion, or subdivision; A distinct...
4Frenchdépartementdepartment; département
5Middle Frenchdépartement
6Old Frenchdépartement
7Old Frenchdepartirto leave; to depart; departure
8Latindepartiōto divide
9Latindē-of; from
10Latinof; concerning; about
11Latinpostbehind; after, since, besides, except; behind,...
12Latinposteablative singular of postis
13Proto-Italicpostibehind, after
14Proto-Indo-Europeanpóstiafter
15Proto-Indo-Europeanpósafterwards, post; by, at

via English night

StepLanguageWordMeaning
1EnglishnightThe period between sunset and sunrise, when a...
2Middle EnglishnyghtAlternative form of nighte; Alternative form of...
3Middle Englishnightenight
4Old EnglishnyhtAlternative form of niht
5Proto-West Germanicnahtnight
6Proto-Germanicnahtsnight
7Proto-Indo-Europeannókʷtsnight
8Proto-Indo-Europeannegʷ-bare, naked
Every word from Proto-Indo-European pósEvery word from Latin dē-Every word from Proto-Indo-European pósti