じ

auxiliary

probably isn't (doesn't, won't, etc.)

Archaic negative suppositional auxiliary, equivalent to modern ～ないだろう or ～まい. Attaches to the 未然形 of verbs. Found in classical Japanese texts.

• 「行いかじ」は「行いくまい」という意い味みの古ふるい言いい方かたです。

  行かじ is an old way of saying 行くまい, meaning 'probably won't go'.

auxiliary

will not; must not; don't intend to

Archaic negative volitional or intentional auxiliary, expressing strong refusal or prohibition. Equivalent to modern ～ないつもりだ or ～てはならない. Also attaches to the 未然形.

• 「言いはじ」は「言いうまい」「言いわないつもりだ」の意