rare0. [n. of action from late L. tābefacĕre, pa. pple. tābefactus: see TABEFY.] The action or process of tabefying; the wasting away or consumption of the body.

1

1658.  Phillips, Tabefaction, a melting, corrupting, or consuming [1706 (ed. 6) adds or wasting away].

2

1890.  Billings, Nat. Med. Dict., Tabefaction, emaciation.

3