Where does “hypoadditive” come from?

hypoadditive (English) comes from English additive, from Late Latin additivus, from Latin addere, from Latin addō, from Latin -dō, from Proto-Germanic -dô, from Sicilian di, from Latin dē — afterwards, post; by, at.

hypoadditive (English): Less than additive (possibly even subtractive)

Definitions

  1. Less than additive (possibly even subtractive)

Ancestry of “hypoadditive”, step by step

hypoadditive traces back through two separate lines of ancestry.

via English additive

StepLanguageWordMeaning
1EnglishadditivePertaining to addition; that can be, or has been,...
2Late Latinadditivus
3Latinadderesecond-person singular future passive indicative...
4Latinaddōto add
5Latin-dōto put
6Proto-Germanic-dô
7SiciliandiUsed to indicate possession, after the thing owned and before the owner; of; ’s
8Latinof; concerning; about
9Latinpostbehind; after, since, besides, except; behind,...
10Latinposteablative singular of postis
11Proto-Italicpostibehind, after
12Proto-Indo-Europeanpóstiafter
13Proto-Indo-Europeanpósafterwards, post; by, at

via English hypo

StepLanguageWordMeaning
1EnglishhypoMelancholy; a fit of ‘hypochondria’; a morbid...
2Englishhypo-Below; beneath; under; Deficient; less than...
3Ancient Greekὑπό
4Proto-Indo-Europeanupóunder, below
5Proto-Indo-Europeanh₃ewp-
Every word from Proto-Indo-European pósEvery word from Proto-Indo-European póstiEvery word from Proto-Italic posti