Brown-Driver-Briggs (BDB)
H4970
H4970 מָתַי when ?
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain
Strong's H4970 · Hebrew
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)
Brown-Driver-Briggs (BDB)
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain