yahrzeit /ˈjɑːtsʌɪt 
/ ▸ noun (among Jewish people) the anniversary of the death of a parent or other close relative, marked by the burning of a memorial candle. – ORIGIN late 18th century (in the form yorsite): from Yiddish yortsayt from German Jahrzeit ‘anniversary, specifically of a person's death’.
EnglishOxford Dictionary of English
