4970 mathay maw-thah'ee
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):--long, when.
Strong's Hebrew Bible Dictionary
4970 mathay maw-thah'ee
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):--long, when.