chū-thâu自頭

from the start

from the start; from the beginning; from the get-go; to start from oneself (used in mahjong or other games in rolling a die to decide who goes first)

English Wiktionary, “自頭” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E8%87%AA%E9%A0%AD · confidence: Medium (Wiktionary)