Bottom eye radical — the indexing radical, a pictograph of an upright eye with the pupil shown as the horizontal lines inside. Anchors
眷 in the family of seeing/gaze chars:
看 look,
眼 eye,
睛 pupil,
瞧 gaze,
盼 look forward. Pairs with the rolling-hands above to picture an eye lingeringly turning back — the image behind 'attachment, fondness, family one cares for.'