וַתִּקְרֶאנָה֩ ל֨וֹ הַשְּׁכֵנ֥וֹת שֵׁם֙ לֵאמֹ֔ר יֻלַּד־בֵּ֖ן לְנָעֳמִ֑י וַתִּקְרֶ֤אנָֽה שְׁמוֹ֙ עוֹבֵ֔ד ה֥וּא אֲבִי־יִשַׁ֖י אֲבִ֥י דָוִֽד׃ (פ)
And the women her neighbours gave it a name, saying: ‘There is a son born to Naomi’; and they called his name Obed; he is the father of Jesse, the father of David.
Read kabbalistic (mystical) interpretation of Ruth 4:17: and classical mystical sources.