促そく音おん便びん

noun

geminate consonant sound change; sokuonbin

Linguistics term for a historical sound change in Japanese where a vowel-stem verb or adjective ending in -i, -chi, or -ri produces a geminate (small-tsu) consonant, typically 't', before certain suffixes. Often contrasted with 撥音便 (hatsuonbin).

See also: 撥音便

• 「立たちて」が促そく音おん便びんで「立たって」になった。

  Through sokuonbin, 'tachite' became 'tatte'.

• 促そく音おん便びんと撥はつ音おん便びんは日本にほん語ごの歴れき史し的てきな音おん変へん化かの重じゅう要ような例れいです。

  Sokuonbin and hatsuonbin are important examples of historical sound changes in Japanese.