Pikak (-)
plural: Pikakha [?]original: [پیکاخا ؟ / پیکاک ؟]
term used for single beating reeds with the vibrating end of their tongue facing the bore of the tube in which they are inserted
Pronunciation with German "umlaut" ["pikäk"] ?
Beladi, MohammadReza [Mohammadreza?]: Nayanban or Iranian bagpipe: How does it work? (YouTube, 2023 [Transcript with corrections ws]).