Echuir was the Sindarin name for the Stirring, the Elvish season that lay before Spring. In the Reckoning of Rivendell it was the last season of the year, and corresponded more or less to the 54 days between 11 February and 4 April in the Shire Calendar.
- See also: Coirë
- J.R.R. Tolkien, Christopher Tolkien (ed.), Sauron Defeated, "Part One: The End of the Third Age: XI. The Epilogue", pp. 128-9
- J.R.R. Tolkien, Christopher Tolkien (ed.), Sauron Defeated, "Index I: To Part One The End of the Third Age" (entry "Stirring")
- J.R.R. Tolkien, The Lord of the Rings, Appendix D, "The Calendars"