Etymology

Sino-Korean word from 函數 ‎(“function”), itself first used in print in 1859 in Li Shanlan's Chinese translation of Elias Loomis's Elements of Analytical Geometry and of the Differential and Integral Calculus.

Pronunciation

• IPA^(key): /ˈha̠ːms͈u/
• Phonetic hangeul: 함:쑤