Ła gwelg̱a lak! [ła/gwel/g̱a/*lak]
interjection. Fire's started! - an invitation -- 'Come on in, the fire's started!'
file://snds/g/gwalk.mp3 Ła gwelga la̱k! The fire is burning!
file://snds/l-bar/lagwelgalak-em-hb-02.mp3 Ła gwelga la̱k! La̱mgism, la̱mgism, ła gwelga la̱k! The fire is burning, warm yourselves, warm yourselves, the fire is burning!

Source: Draft Dictionary entry.