From Latin 'lībella' (small balance), diminutive of 'lībra' (scales) — originally a carpenter's leveling tool.
A position on a scale; a horizontal plane or surface.
From Old French 'livel' (a level, plumb-line), from Latin 'lībella' meaning 'a balance, level,' diminutive of 'lībra' (balance, scales, pound). A level was originally a carpenter's tool for finding the horizontal. Key roots: lībra (Latin: "balance