Where does “illocutional” come from?

illocutional (English) comes from English illocution, from Latin il-, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

Ancestry of “illocutional”, step by step

illocutional traces back through two separate lines of ancestry.

via English illocution

StepLanguageWordMeaning
1EnglishillocutionThe aim of a speaker in making an utterance as...
2Latinil-Alternative form of in-; in; not
3Latinīn-un-, non-, not
4Latinînin, at, on, upon, from (space)
5Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
6Proto-Italicenin
7Proto-Indo-Europeanh₁énin

via English AL

StepLanguageWordMeaning
1EnglishALInitialism of assembly language; Initialism of...
2Dutchalall, all of; already; yet
3Middle Dutchalall, all of; completely; even though, no matter...
4Old Dutchāl—
5Proto-West Germanicallall
6Proto-Germanicallazall
7Proto-Indo-Europeanh₂él-to grow, nourish
Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Proto-Italic en →