The English word tael comes through Portuguese from the Malay word tahil, meaning "weight". Early English forms of the name such as "tay" or "taes" derive from the Portuguese plural of tael, taeis.
Tahil (/ˈtɑːhɪl/ in Singaporean English) is used in Malay and English today when referring to the weight in Malaysia, Singapore, and Brunei where it is still used in some contexts especially related to the significant Overseas Chinese population.