はず【筈】
hazu
★ Common
Noun
#786
notch of an arrow, ought, must, should be, expected
1. it cannot be that ...; it is highly unlikely that ...
1. only natural; no wonder
1. that is not supposed to ...; that ought not to ...
1. nock of an arrow
2. forked tool used for hanging scrolls
1. common vetch (Vicia sativa); tare