From Wiktionary, the free dictionary
From Proto-Balto-Slavic *pīṣk- . Derksen suggests positing an onomatopoeic root, Proto-Indo-European *pī- , + *-sk- . Vasmer similarly reconstructs Proto-Indo-European *pi- . Cognate with Lithuanian pyškė́ti ( “ to click, to crack, to snap ” ) (1sg. pýšku ), Latvian pĩkstêt ( “ to squeak ” ) . Vasmer adds Sanskrit पिच्छोरा ( picchorā ) , पिच्छोला ( piccholā , “ flute, fife ” ) < *pisk- , as well as (from the putative root *pi- ) Latin pipāre , pipiāre , pīpilāre ( “ to whistle ” ) , Ancient Greek πίπος ( pípos , “ chick ” ) , πιππίζω ( pippízō , “ to whistle ” ) , Sanskrit पिप्पका ( píppakā , “ (some type of bird) ” ) , पिप्पीक ( pippīka , “ (some type of animal) ” ) .
Trubachev posits an entirely different root, Proto-Indo-European *(s)peys- ( “ to blow ” ) , and gives as cognates Middle High German vīsen , vīsten ( “ to let in wind ” ) , Old Norse fīsa ( “ to break wind ” ) , Latin spīrō ( “ to blow ” ) (infinitive spīrāre ).
*pīskàti
to squeak , to whistle
Conjugation of
*piskati, *piska, *piščitь (?,
-a/i- , s-aorist, accent paradigm b)
Verbal noun
Infinitive
Supine
L-participle
*piskanьje
*piskati
*piskatъ
*piskalъ
Participles
Tense
Past
Present
Passive
*piskanъ
*piščimъ
Active
*piskavъ
*piščę
Aorist
Present
Person
1st
2nd
3rd
1st
2nd
3rd
Singular
*piskaxъ
*piska
*piska
*piščǫ
*piščiši
*piščitь
Dual
*piskaxově
*piskasta
*piskaste
*piščivě
*piščita
*piščite
Plural
*piskaxomъ
*piskaste
*piskašę
*piščimъ
*piščite
*piščętь
Imperfect
Imperative
Person
1st
2nd
3rd
1st
2nd
3rd
Singular
*piskaaxъ
*piskaaše
*piskaaše
—
*pišči
*pišči
Dual
*piskaaxově
*piskaašeta
*piskaašete
*piščivě
*piščita
—
Plural
*piskaaxomъ
*piskaašete
*piskaaxǫ
*piščimъ
*piščite
—
Conjugation of
*piskati, *piska, *piskajetь (?,
-a- , s-aorist, accent paradigm b)
Verbal noun
Infinitive
Supine
L-participle
*piskanьje
*piskati
*piskatъ
*piskalъ
Participles
Tense
Past
Present
Passive
*piskanъ
*piskajemъ
Active
*piskavъ
*piskaję
Aorist
Present
Person
1st
2nd
3rd
1st
2nd
3rd
Singular
*piskaxъ
*piska
*piska
*piskajǫ
*piskaješi
*piskajetь
Dual
*piskaxově
*piskasta
*piskaste
*piskajevě
*piskajeta
*piskajete
Plural
*piskaxomъ
*piskaste
*piskašę
*piskajemъ
*piskajete
*piskajǫtь
Imperfect
Imperative
Person
1st
2nd
3rd
1st
2nd
3rd
Singular
*piskaaxъ
*piskaaše
*piskaaše
—
*piskaji
*piskaji
Dual
*piskaaxově
*piskaašeta
*piskaašete
*piskajivě
*piskajita
—
Plural
*piskaaxomъ
*piskaašete
*piskaaxǫ
*piskajimъ
*piskajite
—
East Slavic:
Old East Slavic: пискати ( piskati , “ to play the svirel ” ) , 1sg. пищꙋ ( pišču ) ( 12th century )
South Slavic:
Old Church Slavonic:
Cyrillic: пискати ( piskati , “ to pipe ” ) , 1sg. пискаѭ ( piskajǫ )
Glagolitic: [Term?]
Bulgarian: пищя́ ( pištjá ) , пи́скам ( pískam , “ to whistle, to squeak, to howl, to cry ” )
Macedonian: писка ( piska , “ to scream, to shriek ” )
Serbo-Croatian:
Cyrillic script: пи́штати
Latin script: píštati
Slovene: pískati ( “ to whistle, to play the flute ” ) ( tonal orthography ) , 1sg. pískam , píščem ( tonal orthography )
West Slavic:
Chernykh, P. Ja. (1993 ) “писк ”, in Историко-этимологический словарь русского языка [Historical-Etymological Dictionary of the Russian Language ] (in Russian), 3rd edition, volume 2 (панцирь – ящур) , Moscow: Russian Lang., →ISBN , page 35
Derksen, Rick (2008 ) “*pīskàti; *pīščàti”, in Etymological Dictionary of the Slavic Inherited Lexicon (Leiden Indo-European Etymological Dictionary Series; 4), Leiden, Boston: Brill, →ISBN , page 400
Vasmer, Max (1964–1973 ) “пища́ть ”, in Oleg Trubachyov , transl., Этимологический словарь русского языка [Etymological Dictionary of the Russian Language ] (in Russian), Moscow: Progress