Where does “undercharacterise” come from?

undercharacterise (English) comes from English characterise, from English -ise, from Middle English -ise, from Old French -ise, from Latin -itia, from Latin -ia, from Latin -ius, from Proto-Italic -jōs — Creates adjectives from noun or verb stems.

Ancestry of “undercharacterise”, step by step

undercharacterise traces back through two separate lines of ancestry.

via English characterise

StepLanguageWordMeaning
1EnglishcharacteriseNon-Oxford British English standard spelling of...
2English-iseAlternative form of -ize; Suffix used in...
3Middle English-iseAlternative form of -yssh
4Old French-iseused to form feminine nouns, often denoting a...
5Latin-itia-ness, -ity
6Latin-iaUsed to form a feminine abstract noun, usually...
7Latin-iusforming adjectives from nouns; nominative neuter...
8Proto-Italic-jōsForms comparative adjectives
9Proto-Indo-European-yósCreates adjectives from noun or verb stems

via English under

StepLanguageWordMeaning
1EnglishunderIn or at a lower level than; As a subject of;...
2Middle Englishunderunder
3Old Englishunderunder, beneath
4Proto-Germanicunderamong, between; under, beneath; under
5Proto-Indo-Europeanh₁entérbetween
6Proto-Indo-Europeanh₁enin; in, inside

Words derived from “undercharacterise

Every word from Proto-Indo-European -yós