Koselig
Etymology
From Norwegian, related to the verb “kose” (to cuddle, to make things pleasant) plus the adjective ending “-lig.” It is Norway’s counterpart to the Danish notion of hygge and applies to places, gatherings, and moods alike. Something can be koselig only if it carries genuine warmth and togetherness, not mere comfort.
adjective · /KOO-sheh-lee/
Describing a warm, cozy, intimate atmosphere that makes people feel at ease and content.
What it names
The quality of a moment or setting — candles, friends, warmth against the cold — that feels safe, snug, and companionable.
Example
It was so koselig in the cabin — the fire going, everyone in wool socks, snow piling up outside.
Related idea
German Gemütlichkeit names a similar warm coziness but is a noun for the quality itself; koselig is usually an adjective you attach to a specific place or evening.