Where does “accu istu” come from?

accu istu (Vulgar Latin) comes from Latin eccum, from Latin ecce, from Latin -ce, from Proto-Italic ke, from Indo-European *ḱe.

Ancestry of “accu istu”, step by step

accu istu traces back through two separate lines of ancestry.

via Latin eccum

StepLanguageWordMeaning
1Latineccumbehold him; here!, look!
2Latineccesee!, look!, behold!, points out something with...
3Latin-ceaffixed, usually to demonstratives, forming...
4Proto-Italickehere
5Indo-European*ḱe

via Latin istum

StepLanguageWordMeaning
1Latinistumaccusative masculine singular of iste
2Latinipsumaccusative masculine singular of ipse; nominative...
3Latinipsehimself, herself, itself, the very, the actual;...
4Proto-Italic*e(s)pesohimself, herself, itself
Every word from Indo-European *ḱeEvery word from Latin -ceEvery word from Proto-Italic ke