SyezdRussian (Rare), Kazakh (Rare) The last name is a Russian last name derived from съезд (s"yezd) meaning "conference, congress, convention", but it is mostly used in Kazakhstan.
SylgytovmYakut From Yakut сылгы (sylgy), meaning "horse".
TatarovmRussian From Russian татарин (tatarin) meaning "Tatar person". Tatars are an umbrella term for different Turkic ethnic groups across Eastern Europe and Asia.
TravchukUkrainian Either from Ukrainian трава (trava) "grass" or травень (traven') "May (month)", both ultimately deriving from Old Slavic трѣва (trěva) "grass".
TrávníčekmSlovak From Slovak trávnik, meaning "yard, lawn, grass", likely denoting to a yard worker. Ultimately from Slovak tráva "grass", Old Slavic *трѣва (*trěva) "grass".