1842, "carriage drawn by three horses abreast," from Russian troika "three-horse team, any group of three," from collective numeral troje "group of three" (from PIE *tro-yo-, suffixed form of *trei-, see three) + diminutive suffix -ka. Sense of "any group of three administrators, triumvirate" is first recorded 1945.
例文
1. The press regard her as merely one of a ruling troika .
ジャーナリズム界は彼女を政権三役の一人としか見ていない。
2.A turn-based SF wargame with RPG elements developed by ex- Troika guys using the Source engine.