πέλμα
From LSJ
Κύριε, βοήθησον τὸν δοῦλον σου Νῖλον κτλ. → Lord, help your slave Nilos ... (mosaic inscription from 4th-cent. church in the Negev)
English (LSJ)
ατος, τό,
A sole of the foot, Hippon ap.Menon.Iatr. 11.30, LXX Es.4.17 (13.13), PMag.Par. 1.320, Ael.NA 14.3, Artem.5.81 ; of camels, Hdn.4.15.3 ; but τὰ π. τῶν δακτύλων finger-tips, Alex.Aphr. Pr.1.46. 2 sole of the shoe, Hp.Mochl.32, Aen.Tact.31.4, Herod. 7.116, Nic.Fr.85.6, Plb. 12.6.4 ; συάγρεα πέλματα PCair.Zen.692.18 (iii B. C.). II stalk of apples and pears, Gp. 10.25.1.