G5269
ὑποζώννυμι
to undergird
ὑπο-ζώννυμι [in LXX: 2Ma.3:19 * ;] to undergird (Hdt., al.; ὑπὸ τ. μάστους, 2Mac, l.with); of a ship, to undergird or frap: Act.27:17 (see DB, ext. 367a).† (AS)
The KJV translates G5269 in the following manner:
undergirding (2x)
Full Thayer's lexicon entry
ὑποζώννυμι — hypozṓnnymi
ὑποζώννυμι; from Herodotus down; to under-gird: τό πλοῖον to bind a ship together laterally with ὑποζωματα (Plato, de rep. 10, p. 616 c.), i. e. with girths or cables, to enable it to survive the force of waves and tempest, Act 27:17 (where see Overbeck (or Hackett; especially Smith, Voyage and Shipwreck, etc., pp. 107ff, 204ff. (cf. βοήθεια))). (Polybius 27, 3, 3.)
1 occurrence