G3372
μῆκος
length
μῆκος, -εος (-ους), τό [in LXX chiefly for אֹרֶךְ ;] length: Eph.3:18, Rev.21:16.† (AS)
The KJV translates G3372 in the following manner:
length (6x)
Full Thayer's lexicon entry
μῆκος — mēkos
μῆκος, μηκεος (μήκους), τό, from Homer down; the Sept. very often for אֹרֶך; length: Rev 21:16; τό πλάτος καί μῆκος καί βάθος καί ὕψος, language used in shadowing forth the greatness, extent, and number of the blessings received from Christ, Eph 3:18.
2 occurrences
Ephesians (1), Revelation of John (1)