Even though / Although it is true that...
Used to acknowledge a fact while contrasting it with another situation or result, applicable in both written and spoken contexts.
Examples
昇進したといえども、彼の仕事はまだ簡単ではない。
Even though he was promoted, his work is still not easy.
成功したといえども、多くの試練を乗り越えてきた。
Although he succeeded, he has overcome many trials.
高級車を所有しているといえども、それが幸せにつながるとは限らない。
Even if one owns a luxury car, it doesn’t necessarily lead to happiness.
Quick check
昇進した___、彼の仕事はまだ簡単ではない。