Where does “ultradeep” come from?

ultradeep (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.

ultradeep (English): Very deep

Definitions

  1. Very deep

Ancestry of “ultradeep”, step by step

ultradeep 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 ultra

StepLanguageWordMeaning
1EnglishultraExtreme; far beyond the norm; fanatical;...
2Latinultrābeyond
3Latin-asuffixed to the roots of verbs, forms agent...
4Proto-ItalicForms masculine agent nouns from prefixed or compounded bases
5Proto-Indo-European-éh₂
Every word from Proto-Indo-European pósEvery word from Latin dē-Every word from Proto-Indo-European pósti