If you mean “loma-harsha / romanch” in a Jain context, it is discussed to describe the natural spiritual thrill, devotion, or bodily excitement that can arise during hearing or reciting dharma. In Jain practice, such feelings are secondary; the main goal is equanimity, self-restraint, and karmic purification through practices like Navkar Mantra, samayik, and other vows. That is why Jain texts and teachings mention it: to show the inner effect of devotion, while still keeping the emphasis on samata rather than attachment to sensations. ( jainknowledge.com)

If you meant a different Jain term by “lomaahar,” that exact word is not clear to me.