是ぜ非ひもなし

Meanings

it can't be helped; there is no choice; inevitable

A somewhat formal or literary set phrase expressing resignation or acceptance of an unavoidable situation. Similar in meaning to 仕方がない but with a more classical, weighty tone.

戦いくさとなれば、是ぜ非ひもなし。
If it comes to war, it can't be helped.
是ぜ非ひもなし、運うん命めいに従したがおう。
There is no choice; let us accept our fate.

Kanji

是just so, this, right
非un-, mistake, negative
無nothingness, none, ain't

Related words

仕し方かたがない
Much more common and casual than 是非もなし. 是非もなし carries a more formal, resigned, or literary nuance.
やむを得えない
Also formal, but focuses on the lack of alternatives due to circumstances, while 是非もなし emphasizes the inevitability of the outcome itself.

Written forms

是ぜ非ひもなし
Standard kanji spelling for this set phrase.
是ぜ非ひも無なし
Alternate kanji spelling using 無し instead of なし; less common but still seen.

Etymology

From 是非 (right and wrong; by extension, the pros and cons or the way things are) + も (inclusive particle) + なし (classical negative of ある, 'not exist'). Literally 'there is no right or wrong about it', i.e., the matter is beyond debate or choice.