セキ
あと
跡, 足, 口, 亦, 亠, 丿, 亅
足
tracks, mark, print, impression
跡(あと): (1) trace; tracks; mark; sign (2) remains; ruins (3) scar
遺跡(いせき): historic ruins (remains, relics)
追跡(ついせき): pursuit; tracking (e.g. in computer graphics); keeping records on; tracing
跡継ぎ(あとつぎ): heir; successor