Where does “mesoposteriorly” come from?

mesoposteriorly (English) comes from English posteriorly, from English posterior, from Latin posterior, from Latin posterus, from Latin post, from Latin poste, from Proto-Italic posti, from Proto-Indo-European pósti — afterwards, post; by, at.

Ancestry of “mesoposteriorly”, step by step

StepLanguageWordMeaning
1Englishposteriorlyafter; behind; towards the posterior
2EnglishposteriorLocated behind, or towards the rear of an object;...
3Latinposteriorcoming after, later; next, following; further to...
4Latinposterusfollowing, next, coming after; inferior
5Latinpostbehind; after, since, besides, except; behind,...
6Latinposteablative singular of postis
7Proto-Italicpostibehind, after
8Proto-Indo-Europeanpóstiafter
9Proto-Indo-Europeanpósafterwards, post; by, at
Every word from Proto-Indo-European pósEvery word from Proto-Indo-European póstiEvery word from Proto-Italic posti
mesoposteriorly — Etymology, Origin & Word History | Etymology Explorer