Simple-passive perfective form with unspecified-person indirect-object of yeʼelééh (“to copy it, to duplicate it”).
Etymology
Simple-passive perfective form with unspecified-person indirect-object of yeʼelééh (to copy it, to duplicate it, litt. to make something unspecified at it).
Litteral approximation: “the making of something unspecified was done at something unspecified”, “something unspecified was copied”.