Lexical Definition

‎אֶגְרֹף‎ ʼegrôph (eg-rofe') fist H:N-M
from ‎גָּרַף‎ (in the sense of grasping)

fist.

1) fist

See Greek: πυγμή

Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
בְאֶגְרֹ֑ף with a fist Exod.21.18
בְּאֶגְרֹ֣ף with a fist of Isa.58.4

Brown-Driver-Briggs

[‎אֶגְרֹף‎] noun [masculine] fist (ᵐ5 πυγμή, so ᵑ9; but ᵑ7 club, staff (?), & so SS, compare especially Exod 21:18 — Late Hebrew ‎אֶגְרוֺף‎) — ‎וִהִכָּה אִישׁ אֶתרֵֿעֵהוּ בְּאֶבֶן אוֺ בְאֶגְרֹ֑ף‎ Exod 21:18 (construct) ‎לְהַכּוֺת בְּאֶגְרֹף רֶ֑שַׁע‎ Isa 58:4.

Brown-Driver-Briggs References

Book Refs
Exodus 21:18
Isaiah 58:4