Hebrew word
ʻad
ad
עַד
What it means
as far as, whether of space or time or degree
as far (or long, or much) as, whether of space (even unto) or time (during, while, until) or degree (equally with)
Where it comes from
properly, the same as ʻad (עַד) (used as a preposition, adverb or conjunction; especially with a preposition)