[un.der.gird] vt (1526) 1 archaic: to make secure underneath "took measures to ~ the ship --Acts 27:17 (RSV)"
2: to form the basis or foundation of: strengthen, support "facts and statistics subtly ~ his commentary --Susan Q. Stranahan"
[un.der.gird] vt (1526) 1 archaic: to make secure underneath "took measures to ~ the ship --Acts 27:17 (RSV)"
2: to form the basis or foundation of: strengthen, support "facts and statistics subtly ~ his commentary --Susan Q. Stranahan"
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012