inˈcrassion
perverted form for incrassation (sense 1), (for the sake of the rime).
| a 1618 Sylvester Tobacco Battered 454 Also it fries and dries away the Bloud..by whose incrassion [v.r. incrasion] The vitall spirits in an unwonted fashion Are bay'd and barred of their passage due Through all the veins. |