ふむ
fumu

Interjection

1. hmm; I see; hrm

Related to ふん
「ふむ」武田 たけだ先生 せんせい くちひげを ひねりながらうなった。
"fumu"takeda sensēwa kuchihigeo nejirinagara unatta.
"Hrmm," mumbled Professor Takeda as he twisted his moustache.
Other forms: