What is the name for this phenomenon?

[Pamela]

Hi all,

Mrs. Harter was left to contemplate the, to her,repellent object--a large,ungainly-looking box, studded with knobs.

Is there any specific term for sandwiching any word or phrase between the article and a noun? I would call this as split noun by analogy with 'split infinitive'. But this is only my sudden thought

[Diverhank]

In my opinion, you do not need "to her" at all as it is implicit. If you have to, I'd move "to her" to before "the", right after contemplate. "the repellent object" should go together.

[Alan]

Hi Pamela,

The construction in your sentence: