long, when

Strong’s Dictionary of Hebrew Words:

Number:
4970 (find all occurrences in KJV Bible)
Transliteration:
mathay
Phonic:
maw-thah’ee
Meaning:
from an unused root meaning to extend; properly, extent (of time); but used only adverbially (especially with other particle prefixes), when (either relative or interrogative)
KJV Usage:
long, when