Petr

Czech

Etymology

Inherited from Old Czech Petr.

Pronunciation

IPA^(key): [ˈpɛtr̩]
Audio: (file)
Rhymes: -ɛtr̩
Hyphenation: Pe‧tr

Proper noun

Petr m anim (possessive adjective Petrův)

a male given name, equivalent to English Peter
(biblical) Peter (the Apostle)

Declension

Declension of Petr (hard masculine animate)

	singular	plural
nominative	Petr	Petrové
genitive	Petra	Petrů
dative	Petrovi, Petru	Petrům
accusative	Petra	Petry
vocative	Petře	Petrové
locative	Petrovi, Petru	Petrech
instrumental	Petrem	Petry

Derived terms

Petra f
petrklíč m inan
Petrohrad m inan

Further reading

“Petr”, in Příruční slovník jazyka českého (in Czech), 1935–1957
“Petr”, in Slovník spisovného jazyka českého (in Czech), 1960–1971, 1989
“Petr”, in Internetová jazyková příručka (in Czech), 2008–2025

Old Czech

Etymology

Borrowed from Latin Petrus.

Pronunciation

IPA^(key): (13^th CE) /ˈpɛtr̩/
IPA^(key): (15^th CE) /ˈpɛtr̩/

Proper noun

Petr m pers (possessive adjective Petróv)

a male given name

Declension

Declension of Petr (hard o-stem)

	singular	dual	plural
nominative	Petr	Petry	Petři, Petrové
genitive	Petra	Petrú	Petróv
dative	Petru, Petrovi	Petroma	Petróm
accusative	Petra	Petry	Petry
vocative	Petře	Petry	Petři, Petrové
locative	Petru, Petrovi	Petrú	Petřiech
instrumental	Petrem	Petroma	Petry

This table shows the most common forms around the 13th century.
See also Appendix:Old Czech nouns and Appendix:Old Czech pronunciation.

Descendants

Czech: Petr
→ Old Polish: Piotr, Piotro, Pietr, Pioter, Pieter, Piotyr, Pietyr
- Polish: Piotr
- Silesian: Pyjter
- → Kashubian: Pioter
- → Slovincian: Pjôter

Further reading

Jan Gebauer (1903–1916) “Petr”, in Slovník staročeský (in Czech), Prague: Česká grafická společnost "unie", Česká akademie císaře Františka Josefa pro vědy, slovesnost a umění