At a glance
～といえども means "even though it is X" or "even X". It takes something you would expect to be special or an exception, then says that the normal rule still applies. It is formal and mostly written.
[Noun / plain form] といえども、[contrasting statement]
子供といえども、ルールは守らなければならない。 Even children have to follow the rules.
How to form it
| Attaches to | Form | Example |
|---|---|---|
| Noun | Noun + といえども | 医者といえども |
| Verb | Plain form + といえども | 練習したといえども |
| い-adjective | Plain form + といえども | 安いといえども |
| な-adjective | な-adj + だ + といえども | 安全だといえども |
Register: formal. It appears in essays, news, speeches and official writing.