Likewise or similarly in other lexica; references at Photius pi1348 Theodoridis. Adler categorises it as a 'gl[ossa] sacra'; it occurs several times in both the Septuagint and the New Testament; note especially Romans 14:13, which also includes the third of the lexicographers' three glosses.
For the neuter headword -- literally a stumble over some physical obstacle -- cf. alphaiota 300, epsilon 105, and see generally LSJ s.v.