пищял

By surface analysis, пищя́ (pištjá, “to squeak, to scream”) +‎ -ял (-jal)

• IPA^(key): [piʃˈtʲa̟ɫ]
• Rhymes: -aɫ

пищя́л • (pištjál) m (diminutive пищя́лка)

1. (obsolete) pipe, flute
2. (by metaphor) shin
   1. generally: crus, tarsus (lower part of the leg, between the knee and the ankle)
   2. specifically: shankbone (tibia and fibula) (bones that form the lower leg)

• пище́ (pišté, “sparrow, tit”) (dialectal)
• пи́ска (píska), писка́ло (piskálo), писку́н (piskún, “whistle, hooter”)
• писка́л (piskál), писка́вец (piskávec, “cyprinid gudgeon”) (dialectal)
• пищо́л (pištól), пистоле́т (pistolét, “pistol”) (French borrowings of Slavic origin)

• “пищял”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Sofia: Bulgarian Academy of Sciences, 2014
• “пищял”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Chitanka, 2010
• Duridanov, I. V., Racheva, M., Todorov, T. A., editors (1996), “пищял”, in Български етимологичен речник [Bulgarian Etymological Dictionary] (in Bulgarian), volumes 5 (падѐж – пỳска), Sofia: Prof. Marin Drinov Pubg. House, →ISBN, page 281