[Grennios]

Inherent existence/own-being (svabhava) was a notion cooked up by various Abhidhammic schools...

Buddhadasa used the term svabhava often.

Paramatha-sabhava-dhamma (Ultimate Dhammas)

Everything Is Anatta
Elements, Senses, & Aggregates
Dependent Origination

http://www.suanmokkh.org/archive/arts/ret/r-talks1.htm Imo, from a meditative perspective, there is sabhava. For example, the element of consciousness is the element of consciousness. Consciousness can be experienced as arising & passing, unsatisfactory and not-self, but, apart from that, it cannot be broken down in experience. Consciousness has the nature consciousness (rather than 'self') as its svabhava.

Nagajuna's short coming is he falls into the intellectual. For example, Nargajuana would assert consciousness has its underlying causes but the problem is these causes (hetu) are not observable.

The Buddha himself did not discuss the causes (hetu) of consciousness, that is, the various neurons, electrical impulses, etc. The Buddha only described the supporting conditions (paccaya) of consciousness, namely, the sense bases.

The Buddha broke up observable experience into the five aggregates, six elements, six sense bases, etc. The individual constituants of these seventeen natures have their svabhava, namely, the eye has the svabhava of eye, the ear has the svabhava of ear, feeling has the svabhava of feeling, etc.

As the Buddha said: "Why is it called feeling? Because it feels, thus it is called feeling", etc. That feeling 'feels' (rather than is a 'self') is its svabhava.

With metta

Bhikkhus, why do they speak of rupa? Bhikkhus, this nature naturally disintegrates (ruppati, vexed, oppressed), for this reason it is called "rupa." Why does it disintegrate? It disintegrates due to cold, due to heat, due to hunger, due to thirst, and due to the contacts of flies, mosquitoes, wind, sun, and crawling animals. This nature naturally disintegrates, for this reason it is called "rupa."

Bhikkhus, why do they speak of vedana? Bhikkhus, this nature is felt (vedayati), for this reason it is called "vedana." What does it feel? It feels pleasure, pain, and neither-pain-nor-pleasure. Bhikkhus, this nature feels, for this reason it is called "vedana."

Bhikkhus, why do they speak of sanya? Bhikkhus, this nature naturally recognizes (sanjanati, perceives), for this reason it is called "sanya." What does it recognize? It recognizes green, yellow, red, and white. Bhikkhus, this nature naturally recognizes, for this reason it is called "sanya."

Bhikkhus, why do they speak of sankhara? Bhikkhus, this nature naturally concocts concocted things (abhisankharonti), for this reason it is called "sankhara." What does it concoct? It concocts rupa as something concocted with "formness," it concocts vedana as something concocted with "feelingness," it concocts sanya as something concocted with "recognition-ness," it concocts sankhara as something concocted with "concoctingness," it concocts vinyana as something concocted with "cognition-ness." Bhikkhus, this nature naturally concocts concocted things, for this reason it is called "sankhara."

Bhikkhus, why do they speak of vinyana? Bhikkhus, this nature naturally cognizes (vijanati), for this reason it is called "vinyana." What does it cognize? It cognizes sourness, bitterness, spiciness, sweetness, astringency, non-astringency, saltiness, and non-saltiness. Bhikkhus, this nature naturally cognizes, for this reason it is called "vinyana."