English

endorelation

From endo- + relation.

Proto-Indo-European *h₁n̥dóm ‘inside’

Proto-Hellenic *éndon

Ancient Greek ἔνδον ‘inner’

English endo-

Proto-Indo-European *bʰer- ‘to bear, carry’

…

Latin relātus ‘related’

Latin relātiō ‘carrying or bringing back’

Anglo-Norman relacioun

Middle English relacion

Today it means

noun A binary relation between a set and itself.

Language periods are conventional ranges, not dates for this word.

Etymograph / endorelation