Noun
yom tov
(Judaism) A major religious holiday, on which a certain set of rules and prohibitions applies.
Burials are also permitted on a yom tov, although not on Shabbat nor Yom Kippur. Source: Internet
On the first day of yom tov, burial is prohibited unless the bulk of the associated melacha is done by non-Jews. Source: Internet
On the second day of yom tov, including Rosh Hashanah, burial is permitted even if the bulk of the associated melacha is done by Jews. Source: Internet
This practice is known as yom tov sheni shel galuyot, "second day of festivals in exile communities". Source: Internet