Strong's H6119עָקֵב: a heel (as protuberant); hence, a track; figuratively, the rear (of an army) KJV:heel, (horse-) hoof, last, lier in wait (by mistake for H6120), (foot-) step.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.
Root family 1676: עָקַבʿāqab — follow at the heel, assail insidiously, circumvent, overreach; attack at the heel, hold back; seize by the heel, restrain; take by the heel, stay, supplant