['ʃrәuvtaid]
n.
忏悔节

[ noun ]
immediately preceding Lent
<noun.time>

Shrovetide \Shrove"tide`\, n. [From shrive to take a confession
(OE. imp. shrof, AS. scr[=a]f) + tide.]
The days immediately preceding Ash Widnesday, especially the
period between the evening before Quinguagesima Sunday and
the morning of Ash Wednesday.