appurtenance

That which appertains; an appendage to something else; an addition.

Indeed, that was as it should be; for she was only an appurtenance of my mattress, or self-acting bedstead on four castors.

The youngsters, not immediately within sight, seemed rather bright and desirable appurtenances than otherwise; the incidents of daily life were not without humorousness and jollity in their aspect there.

Equipment used for some specific task; gear.

Araminta, come I'll talk ſeriouſly to you now, could you but ſee vvith my Eyes the buffoonry of one Scene of Addreſs, a Lover, ſet out with all his Equipage and Appurtenances; […]

A couple of hair gloves, with a flesh-brush, may be added to the toilet appurtenances.

A subordinate interest in land which benefits a principal estate, which cannot be detached from or held separately to that estate; an appurtenant interest.

It is well settled that a water right may pass with land as an appurtenance thereto, or as a parcel thereof.

Also I will that anon after the said nine years after my decease determined that my said feoffees make estate of all the said manors, lands and tenements with the appurtenance to my next heir and to the heirs of his body lawfully begotten.

A modifier that is appended or prepended to another word to coin a new word that expresses belonging.

The state or quality of being an appurtenance.

Thus, these two characteristics — appurtenance and the lack of need for any act of acquisition - go together and depend upon each other; one is merely looking at different facets of the same thing.

A second father is Kurt Koffka for his principle of appurtenance that he expanded from motions to colors.