قَدَمٌ
1.
The human foot, from the ankle downwards. (Mgh.)
2.
لَهُ قَدَمٌ رَاسِخَةٌ فِى العِلْمِ: see article رسخ.
3.
عَلَى قَدَمٍ عَظِيمٍ
On an excellent foundation.
4.
فُلَانٌ عَلَى قَدَمِ فُلَانٍ
Such a one is successor of such a one.