Where does “undercharacterised” come from?

undercharacterised (English) comes from English ED, from Japanese エンディング, from English ending, from Middle English ending, from Middle English endyng, from Old English endung, from Old English endian, from Proto-Germanic andijōną — on, onto.

Ancestry of “undercharacterised”, step by step

undercharacterised traces back through 3 separate lines of ancestry.

via English ED

StepLanguageWordMeaning
1EnglishEDInitialism of erectile dysfunction; Initialism of...
2Japaneseエンディングending, especially of a broadcast or performance
3EnglishendingA termination or conclusion; The last part of...
4Middle EnglishendingAlternative form of endyng
5Middle EnglishendyngAn ending, termination, or conclusion;...
6Old Englishendungending
7Old Englishendianto end, make an end of; to finish, complete; to...
8Proto-Germanicandijōnąto end, bring to an end, finish
9Proto-Germanicandijazend
10Proto-Indo-Europeanh₂entíosfront; forehead
11Proto-Indo-Europeanh₂ent-face; forehead; front
12Proto-Indo-Europeanh₂en-on, onto

via English undercharacterise

StepLanguageWordMeaning
1Englishundercharacterise
2EnglishcharacteriseNon-Oxford British English standard spelling of...
3English-iseAlternative form of -ize; Suffix used in...
4Middle English-iseAlternative form of -yssh
5Old French-iseused to form feminine nouns, often denoting a...
6Latin-itia-ness, -ity
7Latin-iaUsed to form a feminine abstract noun, usually...
8Latin-iusforming adjectives from nouns; nominative neuter...
9Proto-Italic-jōsForms comparative adjectives
10Proto-Indo-European-yósCreates adjectives from noun or verb stems

via English characterised

StepLanguageWordMeaning
1Englishcharacterisedsimple past tense and past participle of...
Every word from Proto-Indo-European h₂en-
undercharacterised — Etymology, Origin & Word History | Etymology Explorer