Tabid

The term "laryngeal crisis" has been applied to those sudden attacks of dispnœa in tabid patients,[…]

Source: wiktionary

he certainly muſt have gone upon ſome of the old Roman ſouls, of which he had read, without reflecting how much, by a gradual and moſt tabid decline, in a courſe of eighteen hundred years, they muſt unavoidably have ſhrunk, ſo as to have come, when he wrote, almoſt to nothing.

Source: wiktionary