Where does “appendixless” come from?

appendixless (English) comes from English appendix, from Latin appendix, from Latin appendo, from Latin ad-, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en — in.

appendixless (English): Without an appendix

Definitions

  1. Without an appendix

Ancestry of “appendixless”, step by step

appendixless traces back through two separate lines of ancestry.

via English appendix

StepLanguageWordMeaning
1EnglishappendixSomething attached to something else; an...
2Latinappendixsupplement, addition; appendage; barberry
3LatinappendoI hang or suspend; I weigh out
4Latinad-to; usually prefixed to verbs, in which cases it...
5Latinīn-un-, non-, not
6Latinînin, at, on, upon, from (space)
7Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
8Proto-Italicenin
9Proto-Indo-Europeanh₁énin

via English less

StepLanguageWordMeaning
1EnglishlessTo a smaller extent or degree; comparative form...
2Middle Englishlesfalse; lying; deceptive; falsehood; a lie
3Old Englishlēasfalse, lax; false, void, loose; devoid of, loose...
4Proto-Germanic*laus
Every word from Proto-Indo-European h₁én