Judges 1:23

23 and the house of Joseph cause [men] to spy about Beth-El (and the name of the city formerly is Luz),

Judges 1:23 Meaning and Commentary

Judges 1:23

And the house of Joseph sent to descry Bethel
To reconnoitre the place, to observe its passes and avenues, which were most accessible, and to examine the walls of it, where they were weakest and least defended:

now the name of the city before [was] Luz;
which signifies a "nut"; perhaps it was so called from large numbers of nut trees which grew near it; the Jews suggest as if it was like a nut, no entrance into it but through a cave or some subterraneous passage, see ( Genesis 28:19 ) .

Judges 1:23 In-Context

21 And the Jebusite, inhabiting Jerusalem, the sons of Benjamin have not dispossessed; and the Jebusite dwelleth with the sons of Benjamin, in Jerusalem, till this day.
22 And the house of Joseph go up -- even they -- to Beth-El, and Jehovah [is] with them;
23 and the house of Joseph cause [men] to spy about Beth-El (and the name of the city formerly is Luz),
24 and the watchers see a man coming out from the city, and say to him, `Shew us, we pray thee, the entrance of the city, and we have done with thee kindness.'
25 And he sheweth them the entrance of the city, and they smite the city by the mouth of the sword, and the man and all his family they have sent away;
Young's Literal Translation is in the public domain.