הַנְּפִילִים בְּנֵי עֲנָק - A Giant Problem - פרשת שלח

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What does the word נְּפִילִים mean?
וְכֵן - What is the comparison?
What does the word עֲנָק mean?

(כח) אֶ֚פֶס כִּֽי־עַ֣ז הָעָ֔ם הַיֹּשֵׁ֖ב בָּאָ֑רֶץ וְהֶֽעָרִ֗ים בְּצֻר֤וֹת גְּדֹלֹת֙ מְאֹ֔ד וְגַם־יְלִדֵ֥י הָֽעֲנָ֖ק רָאִ֥ינוּ שָֽׁם׃

(כט) עֲמָלֵ֥ק יוֹשֵׁ֖ב בְּאֶ֣רֶץ הַנֶּ֑גֶב וְ֠הַֽחִתִּ֠י וְהַיְבוּסִ֤י וְהָֽאֱמֹרִי֙ יוֹשֵׁ֣ב בָּהָ֔ר וְהַֽכְּנַעֲנִי֙ יוֹשֵׁ֣ב עַל־הַיָּ֔ם וְעַ֖ל יַ֥ד הַיַּרְדֵּֽן׃

(ל) וַיַּ֧הַס כָּלֵ֛ב אֶת־הָעָ֖ם אֶל־מֹשֶׁ֑ה וַיֹּ֗אמֶר עָלֹ֤ה נַעֲלֶה֙ וְיָרַ֣שְׁנוּ אֹתָ֔הּ כִּֽי־יָכ֥וֹל נוּכַ֖ל לָֽהּ׃

(לא) וְהָ֨אֲנָשִׁ֜ים אֲשֶׁר־עָל֤וּ עִמּוֹ֙ אָֽמְר֔וּ לֹ֥א נוּכַ֖ל לַעֲל֣וֹת אֶל־הָעָ֑ם כִּֽי־חָזָ֥ק ה֖וּא מִמֶּֽנּוּ׃ (לב) וַיֹּצִ֜יאוּ דִּבַּ֤ת הָאָ֙רֶץ֙ אֲשֶׁ֣ר תָּר֣וּ אֹתָ֔הּ אֶל־בְּנֵ֥י יִשְׂרָאֵ֖ל לֵאמֹ֑ר הָאָ֡רֶץ אֲשֶׁר֩ עָבַ֨רְנוּ בָ֜הּ לָת֣וּר אֹתָ֗הּ אֶ֣רֶץ אֹכֶ֤לֶת יוֹשְׁבֶ֙יהָ֙ הִ֔וא וְכׇל־הָעָ֛ם אֲשֶׁר־רָאִ֥ינוּ בְתוֹכָ֖הּ אַנְשֵׁ֥י מִדּֽוֹת׃ (לג) וְשָׁ֣ם רָאִ֗ינוּ אֶת־הַנְּפִילִ֛ים בְּנֵ֥י עֲנָ֖ק מִן־הַנְּפִלִ֑ים וַנְּהִ֤י בְעֵינֵ֙ינוּ֙ כַּֽחֲגָבִ֔ים וְכֵ֥ן הָיִ֖ינוּ בְּעֵינֵיהֶֽם׃

Numbers 13:28-33

(28) However, the people who inhabit the country are powerful, and the cities are fortified and very large; moreover, we saw the Anakites there. (29) Amalekites dwell in the Negeb region; Hittites, Jebusites, and Amorites inhabit the hill country; and Canaanites dwell by the Sea and along the Jordan.” (30) Caleb hushed the people before Moses and said, “Let us by all means go up, and we shall gain possession of it, for we shall surely overcome it.” (31) But the other men who had gone up with him said, “We cannot attack that people, for it is stronger than we.” (32) Thus they spread calumnies among the Israelites about the land they had scouted, saying, “The country that we traversed and scouted is one that devours its settlers. All the people that we saw in it are of great size; (33) we saw the Nephilim there—the Anakites are part of the Nephilim—and we looked like grasshoppers to ourselves, and so we must have looked to them.”