Genesis 49:12

חַכְלִילִי עֵינַיִם מִ יָּיִן וּ לְבֶן שִׁנַּיִם מֵ חָלָב

Dark are eyes from wine, and white are dual-teeth¹³⁶⁶ from milk-fat.

1366	Strong’s #8127, shinayyim. Dual-teeth or teeth-pair.