Ha'liwa̱n [ha/'li*wa̱n]
Stem with modifying proclitic composed of: ha'li=  time when/place where, wa̱n2  sit/be/exist
common noun. night watch, meaning, to sit up and wait for New Year Day or Christmas Day
Ha'ligyeda Miyaanm wil ha'li'awa̱n gyet. On Christmas Eve is when they have a night watch.

Source: Draft Dictionary entry.