Crossword clue: of or relating to czechoslovakia or its people or their language
2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
czech
5 letters
wn-def
the Slavic language of Czechs
czechoslovakian
15 letters
wn-def
a native or inhabitant of the former republic of Czechoslovakia