1950s. From rule + bounded + -ness, apparently after German Regelgebundenheit, lit. ‘the quality or fact of being rule-bound’, and Regelhaftigkeit, lit. ‘the quality or fact of following a rule’.
英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。