1786, from ton (n.2) + -ify. Related: Tonified; tonifying.
"prevailing mode, style, fashionable ways," 1769, from French ton (see tone (n.)).
variant of verbal suffix -fy with connective -i-. Related: -ific; -ification.
updated on February 12, 2014
英语词源词典收录了45867条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。