三色同刻
also: さんしょくどうコー
Meanings
1
triple pung; three color triplets
A standard mahjong yaku: a hand containing the same number triplet (pung) in all three suits. Worth 2 han when concealed, 1 han when open.
Triple pung is a yaku where you collect the same number triplet in manzu, pinzu, and sōzu.
This hand combines triple pung and all triplets.