παρακαταθήκηparakatathḗkē

more usual than its variant in Gk.

Greek (New Testament) · G3872

Meanings

writers for a trust or deposit: 1 Timothy 6:20, 2 Timothy 1:14, Rec.

Same root

παράpará · G3844properly, near; i.e. (with genitive case) from beside (literally or figuratively), (with dative case) at (or in) the vicinity of (objectively or subjectively), (with accusative case) to the proximity with (local (especially beyond or opposed to) or causal (on account of)
κατατίθημιkatatíthēmi · G2698to place down, i.e. deposit (literally or figuratively)

Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.