sustinementum Save DMLBS sustinementum [CL sustinere+-mentum], (provision of) means of subsistence, upkeep. c1151 confirmasse ‥ fratribus canonicis ‥ elemosinas quas H. de M. et B. de B. C. ‥ ad eorum ~um concesserunt (Dryburgh) E. Ch. Scot. 239.