This is the 2339th most frequent Japanese word.
ひとくち
"ひとくち" means "one bite" or "a mouthful."
Here, "ひとくち" (hitokuchi) means "a bite" or "one mouthful," denoting the amount taken in one bite.
ケーキをひとくち食べてみた。
I took a bite of the cake to try it.
In this context, "ひとくち" metaphorically implies doing something at once or wholeheartedly, suggesting the lack of doubt or hesitation.
彼はその話をひとくちで信じた。
He believed the story without hesitation.
Here, "ひとくち" (hitokuchi) represents "one sip" or "one taste," indicating a small amount used to experience the taste.