十干

1. • same as 天干
2. • the 10 heavenly stems 甲, 乙, 丙, 丁, 戊, 己, 庚, 辛, 壬, 癸 (used cyclically in the calendar and as ordinal number like Roman I, II, III)

Character by character

• 十(shí)ten
• 干(gān)dry