Where does “unreducibly” come from?

unreducibly (English) comes from English unreducible, from English reducible, from English reduce, from Old French reducer, from Latin reduco, from English re-, from Middle English re-, from Old French re- — before, in front; first; to go through.

Ancestry of “unreducibly”, step by step

unreducibly traces back through two separate lines of ancestry.

via English unreducible

StepLanguageWordMeaning
1EnglishunreducibleNot reducible
2EnglishreducibleCapable of being reduced; Able to be factored...
3EnglishreduceTo bring down the size, quantity, quality, value...
4Old Frenchreducer
5LatinreducoI lead, draw, bring or conduct back; bring or...
6Englishre-again, anew; a completive or intensification of...
7Middle Englishre-
8Old Frenchre-re- again; once more
9Latinrĕ-back, backwards
10Latinprōdūcōto lead or bring forth, forward or out
11Latinprō-forward direction, forward movement
12Proto-Italic*pro-pro- see the Latin entry for further meanings
13Proto-Indo-Europeanpro-toward, forward
14Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
15Proto-Indo-Europeanper-before, in front; first; to go through

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European per-Every word from Latin rĕ-Every word from Proto-Indo-European por-