ひ引hiっこ込koむmu
1.
To revert to a less prominent position, often involving a part of the body or an object that was initially sticking out.
2.
To withdraw from a prominent or public space into a less visible or secluded area.
3.
To retreat or seclude oneself, especially after a significant life change or for personal reasons.
4.
To take a position that is less visible or noticeable, often used in social contexts to indicate avoiding drawing attention or interference.
Example:
今までどこに引っこんでいたのですか。