闭源

Traditional form:

閉源

Pinyin (reading):

bìyuán

Definitions:

• (computing) closed-source

Characters:

• 闭 - to shut, to close; to obstruct, to block
• 源 - spring; source, root, head; surname

Traditional characters:

• 閉 - to shut, to close; to obstruct, to block
• 源 - spring; source, root, head; surname