Norwegian Bokmål

Noun

tommelfingerregel m ‎(definite singular tommelfingerregelen, indefinite plural tommelfingerregler, definite plural tommelfingerreglene)

1. a rule of thumb

References

• “tommelfingerregel” in The Bokmål Dictionary.

Norwegian Nynorsk

Etymology

From tommelfinger +‎ regel

Noun

tommelfingerregel m ‎(definite singular tommelfingerregelen, indefinite plural tommelfingerreglar, definite plural tommelfingerreglane)

1. a rule of thumb

References

• “tommelfingerregel” in The Nynorsk Dictionary.