
1) Greek fairy tale 2) Tree in mythology
Found on
https://www.crosswordclues.com/clue/kallikantzaros

Kallikantzaros (Καλλικάντζαρος; pl. Kallikantzaroi) are malevolent goblins in Southeastern European (Greek, Bulgarian, Serbian) and Anatolian folklore (Turkey). They dwell underground but come to the surface during the twelve days of Christmas, from 25 December to 6 January (from the winter solstice for a fortnight during which time ...
Found on
http://en.wikipedia.org/wiki/Kallikantzaros
No exact match found.