c1000 Ælfric (Z.) 285 Quinquagenarius, fiftigfeald.
a1616 W. Shakespeare (1623) i. ii. 61 Till the worst of all follow him laughing to his graue, fifty-fold a Cuckold. View more context for this quotation
1872 R. A. Proctor xi. 156 Exceeding fiftyfold the volume of the Sun.