subietas

subietas [cf. CL subitus], quality of occurring without warning, unexpectedness, suddenness. s1286 subitanea mors [regis] ‥ tam dolorosa ‥ fuit ‥ regno Scocie ‥. sed ne quis bonus catholicus de salute anime pro ~ate [cf. Bower X 40: propter subitacionem ‥ mortis] mortis regis desperet Plusc. VII 32.