Parashas Shemos
וַתִּקַּ֨ח צִפֹּרָ֜ה צֹ֗ר וַתִּכְרֹת֙ אֶת־עׇרְלַ֣ת בְּנָ֔הּ וַתַּגַּ֖ע לְרַגְלָ֑יו וַתֹּ֕אמֶר כִּ֧י חֲתַן־דָּמִ֛ים אַתָּ֖ה לִֽי׃
iMeaning of verses uncertain. So Zipporah took a flint and cut off her son’s foreskin, and touched his legs with it, saying, “You are truly a bridegroom of blood to me!”
Torah Temimah points to R’ Yehudah / R’ Nechemyah / Rabbanan — TT (verified).
ותגע לרגליו — פליגי\ldots חד אמר לרגליו של משה\ldots וחד אמר לרגליו של מלאך\ldots
English: “And she touched it to his feet” — they disagree\ldots one said to Moshe’s feet\ldots and one said to the angel’s feet\ldots
Custom
Chazal offer several referents for “his feet,” each yielding a coherent reading of Tzipporah’s gesture.