踐

It is a phono-semantic compound, consisting of:

足 (jok, “foot”) as the semantic element;

戔 (jan, “to harm, to injure”) as the phonetic element.

Today most common in 실천 (實踐), an everyday word for “practice” in both academic and casual use.

The literal sense “to step on” survives mostly in literary or classical contexts.

Common compounds:

실천 (實踐) – practice, implementation

도천 (蹈踐) – to step on, to tread (literary)

이천 (履踐) – to put into effect, to carry out