基于 (jī yú)

because of; on the basis of; in view of; on account of

Character breakdown

基 (jī) · 11 strokes

Phonosemantic compound. 土 represents the meaning and 其 represents the sound.
于 (Yú) · 3 strokes

Pictograph of a musical wind instrument with a reed, which is now written as 竽. The current meaning is a phonetic loan.