〜といえども
Formation
Meaning
Used to express that even though a certain condition may exist, the conclusion or result is unexpected or remains true.
Note
A highly formal and literary expression with an archaic tone (due to the classic 'domo' ending). It acknowledges a fact (often an extreme or authoritative one) but states that the following situation or rule still applies. Often used with 'tatoe', 'ikani', or 'ikura'.
Examples
たとえ失敗したといえども、その努力は決して無駄にはならない。
Even if you failed, those efforts will never be in vain.
信じがたいといえども、それが紛れもない事実なのだ。
Even if it is hard to believe, that is the unmistakable fact.
いくら美味しいといえども、毎日同じものを食べていれば飽きてしまう。
No matter how delicious it is, if you eat the same thing every day, you will get tired of it.
どんなに忙しいといえども、健康管理をおろそかにしてはならない。
No matter how busy you are, you must not neglect your health management.
たとえ便利といえども、悪用されれば恐ろしい武器になる。
Even if it is convenient, it becomes a terrifying weapon if misused.
いくら有名といえども、守らなければならないルールがある。
No matter how famous someone is, there are rules that must be followed.
親といえども、子供のプライバシーを侵害してはならない。
Even as a parent, one should not infringe on a child's privacy.
一国の首相といえども、法を犯せば罰せられるのは当然だ。
Even as the prime minister of a country, it is natural to be punished if one breaks the law.