This subtemplate of {{BOOKPAGENAME}} handles cases where the page is a department of the Wikibooks Stacks.

လွင်ႈၸႂ်ႉတိုဝ်း

မႄးထတ်း

The only parameter expected is pagename.

ၽၢႆႇၼႂ်း

မႄးထတ်း

This template simply strips off the Department: prefix.