はず

Etymology
. There are several origin theories, including:
 * From
 * Of obsolete forms ハ, meaning “open; unfold”, and ズ, meaning “unlimited; without end”
 * Abbreviation of
 * Abbreviation of obsolete
 * From and

Noun

 * 1) nock; the grooves that hold a bowstring on a bow, the notch that holds an arrow to the bowstring
 * 2)  a nock-shaped grip used in
 * 3) as things should be; what is expected; that which should be so; must be; bound to be; expected to be
 * 4)  what may happen; as things could be
 * 1)  what may happen; as things could be
 * 1)  what may happen; as things could be
 * 1)  what may happen; as things could be
 * 1)  what may happen; as things could be

Usage notes

 * Attaches to a verb or adjective to indicate an expectation that something took place, will take place, or is (was) in some state.
 * Denotes a considerably lower probability than that of standard Japanese.
 * Denotes a considerably lower probability than that of standard Japanese.
 * Denotes a considerably lower probability than that of standard Japanese.