イチイン
Meanings
Noun
1. one cause; one reason; one factor
Pitch accent
チイン
Composed of
one; 1; best; first; foremost; beginning; start
cause; factor; hetu (direct cause, esp. as opposed to indirect conditions); the basis of one's argument (in hetuvidya)
Examples (1 in total)
Great effort was one factor in his success.