ῥιζαῖος
ῥιζαῖος, forming a base
ῥιζ-αῖος, α, ον,
- forming a base (cf. ῥίζα II.2), ῥ. λίθος, of a column, opp. σπεῖρα, Sardis 7(1) No.181 (prob. i A.D.).