Lexical Definition

‎διϊκνέομαι‎ diïknéomai (dee-ik-neh'-om-ahee) to penetrate G:V
from ‎διά‎ and the base of ‎ἱκανός‎

pierce.

Usage: 3 forms in 3 verses
Form Translated As     In Verse(s)
διϊκνούμενοσ penetrating Heb.4.12
διϊκνείτο penetrated LXX.Exod.36.33
διικνείσθω let it penetrate LXX.Exod.26.28

Abbott-Smith

δι-ικνέομαι (Rec. διϊκ-), -οῦμαι, [in LXX for בּרח hi., Ex 26:28 * ;]
to go through, penetrate: He 4:12.†

Abbott-Smith References

Book Refs
Exodus 26:28
Hebrews 4:12

Liddell-Scott-Jones

διϊκνέομαι,

future -ίξομαι: aorist -ικόμην:— go through, penetrate, ποτὶ τὰν ψυχάν δι᾽ ὤτων [Refs 5th c.BC+]; reach, with missiles, [Refs 5th c.BC+]

__2 in speaking, go through, tell of, πάντα δ. [Refs 8th c.BC+]
__3 of Time, intervene, διετοῦς χρόνου διικνουμένου [Refs 3rd c.AD+]