Jacek

Old Czech

Pronunciation

• IPA^(key): (13^th CE) /ˈjat͡sɛk/
• IPA^(key): (15^th CE) /ˈjat͡sɛk/

Proper noun

Jacek m pers

1. a male given name

Declension

Declension of Jacek (hard o-stem reducible)

	singular	dual	plural
nominative	Jacek	Jacky	Jacci, Jackové
genitive	Jacka	Jackú	Jackóv
dative	Jacku, Jackovi	Jackoma	Jackóm
accusative	Jacka	Jacky	Jacky
vocative	Jačšče	Jacky	Jacci, Jackové
locative	Jacku, Jackovi	Jackú	Jacciech
instrumental	Jackem	Jackoma	Jacky

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

Further reading

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

Polish

Etymology

From Jacenty +‎ -ek.

Pronunciation

• IPA^(key): /ˈja.t͡sɛk/

• Audio:

  (file)

• Rhymes: -at͡sɛk
• Syllabification: Ja‧cek

Proper noun

Jacek m pers (diminutive Jacuś)

1. a male given name

Declension

Declension of Jacek

	singular	plural
nominative	Jacek	Jackowie
genitive	Jacka	Jacków
dative	Jackowi	Jackom
accusative	Jacka	Jacków
instrumental	Jackiem	Jackami
locative	Jacku	Jackach
vocative	Jacku	Jackowie

Further reading

• Jacek in Polish dictionaries at PWN