nullpunkt

null +‎ punkt, first part from Latin nūllus (“no one, none, no”), from Proto-Italic *ne oinolos, from Proto-Italic *oinos (“one”), from Proto-Indo-European *óynos (“one, single”), perhaps from *éy (“he, she, it”) + *-nós (creates adverbs). Last part from Old Norse punktr, from Middle Low German punct, punt, from Latin pūnctum (“point, puncture, moment”), from pūnctus (“pricked, punctured”), perfect passive participle of pungō (“I prick, puncture, punch”), from Proto-Italic *pungō (“to prick, sting”), from Proto-Indo-European *pewǵ- (“to prick, punch”).

nullpunkt n (definite singular nullpunktet, indefinite plural nullpunkt or nullpunkter, definite plural nullpunkta or nullpunktene)

1. zero (e.g. on a thermometer)
2. zero point
3. (figurative) rock bottom

• “nullpunkt” in The Bokmål Dictionary.

From null +‎ punkt.

nullpunkt n (definite singular nullpunktet, indefinite plural nullpunkt, definite plural nullpunkta)

1. zero (e.g. on a thermometer)
2. zero point
3. (figurative) rock bottom

• “nullpunkt” in The Nynorsk Dictionary.