וַיֵּ֨ט אֵלֶ֜יהָ אֶל־הַדֶּ֗רֶךְ וַיֹּ֙אמֶר֙ הָֽבָה־נָּא֙ אָב֣וֹא אֵלַ֔יִךְ כִּ֚י לֹ֣א יָדַ֔ע כִּ֥י כַלָּת֖וֹ הִ֑וא וַתֹּ֙אמֶר֙ מַה־תִּתֶּן־לִּ֔י כִּ֥י תָב֖וֹא אֵלָֽי׃
猶大就轉向路旁，到她那裡，說：「來吧，讓我與你同房。」因為他不知道她是他的兒媳婦。她說：「你要給我甚麼，才可以與我同房呢？」
Gur Aryeh
Please (Havah na). The word havah often means “prepare yourself.” Yehudah requested that she consign herself to him exclusively so that no harlotry would be involved.
Rashbam
לכו ונהרגהו, the introduction לכו is an invitation for other people to participate in a planned undertaking. We have a similar example in verse 27 of our chapter when the brothers sell Joseph and Yehudah introduces the plan with the words לכו ונמכרנו לישמעאלים, “let us sell him to the Ishmaelites.” Another similar example is found in Exodus 1,10 when Pharaoh invites his people to outsmart the Israelites with the words הבה נתחכמה לו. In that verse the word הבה is used as such an invitation. Compare also Deuteronomy 11,26, where the word ראה is used in the same manner, except that it does not involve active participation by those addressed