Some distinctive features of the West Slavic languages, as from when they split from the
East Slavic and
South Slavic branches around the 3rd to 6th centuries AD (alternatively, between the 6th and 10th centuries), are as follows: • Development of
Proto-Slavic *tj,
*dj into palatalized
ts,
(d)z, as in modern Polish/Czech/Slovak ''
("night"; compare Russian (noch'')); • Retention of the groups
kv,
gv as in Polish ("flower"); ''
("star") (Compare Russian (cvet
); (zvezda'')); • Retention of
tl,
dl, as in Polish/Slovak/Czech '''' ("
ard"; compare Russian ); • Palatized
x developed into
š, as in Polish '
(locative case of ', "fly"); • The groups
pj,
bj,
mj,
vj developed into (soft) consonant forms without the
epenthesis of
l, as in Polish '''' ("I shall buy"; compare Russian ); • A tendency towards
fixed stress (on the first syllable in Czech and Slovak and on the penultimate syllable in Polish); • Use of the endings
-ego or
-ého for the genitive singular of the adjectival declension; • Extension of the accusative form
*tъnъ to nominative in place of
*tъ, leading to Slovak/Polish/Czech '''' ("this" (masc.); compare Russian ;
Old Church Slavonic тъ); • Extension of the genitive form
*čьso to nominative and accusative in place of
čь(to), leading to Polish/Czech '''' ("what", compare Russian ; OCS
чьто, genitive чьсо). Although influences from other language families have contributed a large number of
loanwords, and to a lesser extent to verb
morphology and syntax, the Slavic languages retained a distinctly Slavic character, with clear roots in Indo-European. The West Slavic languages are all written in the
Latin script, while the East Slavic branch uses Cyrillic and the South Slavic branch is mixed. ==History==