1570s, from French volubilité (16c.) or directly from Latin volubilitatem (nominative volubilitas) "a rapid turning," figuratively "fluency (of speech)," from volubilis (see voluble).
Entries linking to volubility
voluble adj.
late 14c., "able to turn, revolving;" early 15c., "liable to constant change," from Latin volubilis "that turns around, rolling, flowing," figuratively (of speech) "fluent, rapid," from volvere "to turn around, roll" (from PIE root *wel- (3) "to turn, revolve"). Meaning "fluent, talkative" is recorded from 1580s. Related: Volubly.