Where does “interorganelle” come from?

interorganelle (English) comes from English organelle, from English -elle, from French -elle, from Old French -ele, from Latin -ella, from Latin -ellus, from Latin -ulus, from Proto-Italic -olos — Forms agent nouns from verbal roots.

Ancestry of “interorganelle”, step by step

interorganelle traces back through two separate lines of ancestry.

via English organelle

StepLanguageWordMeaning
1EnglishorganelleA specialized structure found inside cells that...
2English-elleUsed to form feminine proper names
3French-elleForming feminine nouns, often with a diminutive...
4Old French-elediminutive suffix, forming feminine nouns
5Latin-ellainflection of -ellus: ## nominative/vocative...
6Latin-ellusAlternative form of -ulus; "forming masculine...
7Latin-ulusUsed to form a diminutive of a noun, indicating...
8Proto-Italic-olos
9Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
10Proto-Indo-European-e-lós
11Proto-Indo-European-lósForms agent nouns from verbal roots

via English inter

StepLanguageWordMeaning
1EnglishinterTo bury in a grave; To confine, as in a prison
2Middle Englishenteren
3Frenchentrerto enter
4Middle Frenchentrerto enter
5Old Frenchentrerto enter
6Latinintrōto enter, go into, come in, get in, penetrate
7Latinintrawithin; inside; during; less than
8Latininterus
9Proto-Indo-Europeanh₁énterosinside, within
10Proto-Indo-European-terosContrastive or oppositional adjectival suffix
Every word from Proto-Indo-European -lós