Where does “endocellularly” come from?

endocellularly (English) comes from English endocellular, from English cellular, from Latin cellularis, from Latin cellula, from Latin -ulus, from Proto-Italic -olos, from Proto-Italic -elos, from Proto-Indo-European -e-lós — Forms agent nouns from verbal roots.

Ancestry of “endocellularly”, step by step

endocellularly traces back through two separate lines of ancestry.

via English endocellular

StepLanguageWordMeaning
1Englishendocellularintracellular
2EnglishcellularOf, relating to, consisting of, or resembling a...
3Latincellulariscellular
4Latincellulasmall room, especially that of a slave; humble...
5Latin-ulusUsed to form a diminutive of a noun, indicating...
6Proto-Italic-olos
7Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
8Proto-Indo-European-e-lós
9Proto-Indo-European-lósForms agent nouns from verbal roots

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European -lósEvery word from Latin -ulusEvery word from Latin cellula