Lexical Definition

‎πανταχοῦ‎ pantachoû (pan-takh-oo') everywhere G:ADV
genitive case (as adverb of place) of a presumed derivative of ‎πᾶς‎

in all places, everywhere.

Usage: 2 forms in 8 verses
Form Translated As     In Verse(s)
πανταχοῦ everywhere Mark.1.28Mark.16.20Luke.9.6Acts.17.30Acts.24.3Acts.28.221Cor.4.17
πανταχού everywhere LXX.Isa.42.22

Abbott-Smith

πανταχοῦ, adv., [in LXX: Is 42:22 (כֻּלָּם)*;]
everywhere: Mk 1:28 16:20, Lk 9:6, Ac 17:30 24:3 28:22, I Co 4:17.†

Abbott-Smith References

Book Refs
Isaiah 42:22
Mark 1:28 · 16:20
Luke 9:6
Acts 17:30 · 24:3 · 28:22
1 Corinthians 4:17

Liddell-Scott-Jones

πανταχοῦ,

adverb everywhere, [Refs 5th c.BC+]: later with Verbs of Motion, ἐξῆλθε ἀκοὴ αὐτοῦ π. [NT] should be restored, as [Refs 5th c.BC+]

__II altogether, absolutely, [Refs 5th c.BC+]; οὐ π. ᾔσθησαι not at all, [Refs]

LSJ Scripture Refs: Mark.1.28