Voluble Roll Adjective Latin   To  Easily Rolling  Characterized

Merriam-Webster's Collegiate Dictionary

 ETYMOLOGY  Middle English, from Latin volubilis, from volvere to roll; akin to Old English wealwian to roll, Greek eilyein to roll, wrap

 DATE  15th century

talkative

voluble
  1575, "liable to constant change," from Fr. voluble, from L. volubilis "that turns around, rolling, flowing, fluent" (of speech), from volvere "to turn around, roll" (see vulva). Meaning "fluent, talkative" first recorded 1588.

voluble
vol·uble / 5vCljubl; NAmE 5vB:ljE- / adjective(formal) 
1. talking a lot, and with enthusiasm, about a subject
   健谈的；滔滔不绝的:
   Evelyn was very voluble on the subject of women's rights. 
   伊夫林谈起女权这个话题口若悬河。 
2. expressed in many words and spoken quickly
   流利的；明快的:
   voluble protests 
   振振有词的抗议 
• vol·ubly / 5vCljubli; NAmE 5vB:ljE- / adv.

vol·u·ble
\ˈvälyəbəl\ adjective
Etymology: Middle French or Latin; Middle French voluble, from Latin volubilis, from Latin volvere to roll, turn, revolve + -bilis capable of being acted upon; akin to Greek eilyein to roll, wrap, fold, Gothic -walwjan to roll, Old English walwian, wealwian, Old High German wellan to roll, Old Slavic valiti to roll, trundle, Sanskrit valati he turns; basic meaning: turning, rolling
1. 
 a. : easily rolling or turning : easily set in motion : apt to roll : rotating, 
 b. : having the power or habit of twining
  < a voluble plant stem >
2. : , , 
3. : characterized by ease and smoothness of utterance : characterized by ready or rapid speech : , 
 < seemed voluble, prone to speech as I had never seen him before — Jack London >
 < that he, who once had been so voluble, should have become almost inarticulate — Ellen Glasgow >
Synonyms: see ,