Cyrillic Щ (Early Cyrillic form: ) is derived from the
Glagolitic letter
shta , which was a ligature of
sha (= Cyrillic Ш, pronounced ), and
tverdo (= Cyrillic Т, pronounced ). The original pronunciation, , is maintained in
Bulgarian. This letter was also used in the
Komi language as , but it has fallen out of use in favour of
digraph . ==Form==