A — 1: διάστημα
(Strong's #1292 — Noun Neuter — diastema — dee-as'-tay-mah )

"an interval, space" (akin to B), is used of time in Acts 5:7 .

B — 1: διΐστημι
(Strong's #1339 — Verb — diistemi — dee-is'-tay-mee )

"to set apart, separate" (dia, "apart," histemi, "to cause to stand"), see A, is rendered "after the space of" in Luke 22:59; in Acts 27:28 , with brachu, "a little," RV, "after a little space" (AV, "when they had gone a little further"). See PART.

Acts 15:33Revelation 2:21Acts 19:8,10Acts 19:34Acts 5:34Galatians 2:1James 5:17 Revelation 14:20Revelation 17:10