Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
διεκλέπτετο stole away LXX.2Sam.19.3
διακλέπτεται steal away LXX.2Sam.19.3

Liddell-Scott-Jones

διακλέπτω (diakleptō) to steal away G:V

διακλέπτω,

steal at different times, ὅσα δὲ διακέκλεπται [Refs 4th c.BC+]; τὸ δὲ διακλαπὲν πολύ the number stolen [by the soldiers] and dispersed was great, [Refs 5th c.BC+]:—middle, steal away, [LXX]

__II keep alive or save by stealth, τινά [Refs 5th c.BC+]
__III evade, τῇ ἀπολογίᾳ δ. τὴν κατηγορίαν [Refs 5th c.BC+]; disguise, τῇ χάριτι τῆς συνθέσεως τὴν ἀνάγκην [Refs 1st c.BC+]; pass in evasion of duty, τὸν λοιπὸν χρόνον τῆς ὑπατείας [Refs]

LSJ Scripture Refs: LXX.2Kgs.19.3