G1527

εἷς καθ᾽ εἷς

heis kath heis (heis` kath heis`) adv.
1. individually, one at a time
2. (specifically) one by one
3. (literally) one and one
[from G1520 repeated with G2596 inserted]
KJV: one by one
Root(s): G1520, G2596
G1520
G2596