הנפילים. עֲנָקִים, מִבְּנֵי שַׁמְחָזַאי וַעֲזָאֵל שֶׁנָּפְלוּ מִן הַשָּׁמַיִם בִּימֵי דּוֹר אֱנוֹשׁ:
הנפילים (lit., the fallen ones) — Anakim who were descendants of Shemchazai and Azael who fell from heaven in the generation of Enosh (cf. Targum Jonathan on Genesis 6:4 and Rashi on Niddah 61a s. v. בני אחיה).
וכן היינו בעיניהם. שָׁמַעְנוּ אוֹמְרִים זֶה לָזֶה, נְמָלִים יֵשׁ בַּכְּרָמִים כַּאֲנָשִׁים (סוטה ל"ה):
וכן היינו בעיניהם AND SO WE MUST HAVE BEEN IN THEIR EYES — We heard them say one to another; “There are ants in the vineyards that look like human beings (Sotah 35a).
ענק. שֶׁמַּעֲנִיקִים חַמָּה בְּקוֹמָתָן (שם ל"ד):
ענק — They were thus called because it seemed as if the sun was draped around their necks (מַעֲנִיקִים) because of their height (Sotah 34b).