gnash (Greek #1031)

Acts
7:54   When
de (Greek #1161)
but, and, etc.
KJV usage: also, and, but, moreover, now (often unexpressed in English).
Pronounce: deh
Origin: a primary particle (adversative or continuative)
they heard
akouo (Greek #191)
to hear (in various senses)
KJV usage: give (in the) audience (of), come (to the ears), (shall) hear(-er, -ken), be noised, be reported, understand.
Pronounce: ak-oo'-o
Origin: a primary verb
these things
tauta (Greek #5023)
these things
KJV usage: + afterward, follow, + hereafter, X him, the same, so, such, that, then, these, they, this, those, thus.
Pronounce: tow'-tah
Origin: nominative or accusative case neuter plural of 3778
, they were cut
diaprio (Greek #1282)
to saw asunder, i.e. (figuratively) to exasperate
KJV usage: cut (to the heart).
Pronounce: dee-ap-ree'-o
Origin: from 1223 and the base of 4249
to the heart
ho (Greek #3588)
the definite article; the (sometimes to be supplied, at others omitted, in English idiom)
KJV usage: the, this, that, one, he, she, it, etc.
Pronounce: ho
Origin: ἡ (hay), and the neuter τό (to) in all their inflections
kardia (Greek #2588)
the heart, i.e. (figuratively) the thoughts or feelings (mind); also (by analogy) the middle
KJV usage: (+ broken-)heart(-ed).
Pronounce: kar-dee'-ah
Origin: prolonged from a primary κάρ (Latin cor, "heart")
, and
autos (Greek #846)
the reflexive pronoun self, used (alone or in the comparative 1438) of the third person , and (with the proper personal pronoun) of the other persons
KJV usage: her, it(-self), one, the other, (mine) own, said, (self-), the) same, ((him-, my-, thy- )self, (your-)selves, she, that, their(-s), them(-selves), there(-at, - by, -in, -into, -of, -on, -with), they, (these) things, this (man), those, together, very, which. Compare 848.
Pronounce: ow-tos'
Origin: from the particle αὖ (perhaps akin to the base of 109 through the idea of a baffling wind) (backward)
kai (Greek #2532)
and, also, even, so then, too, etc.; often used in connection (or composition) with other particles or small words
KJV usage: and, also, both, but, even, for, if, or, so, that, then, therefore, when, yet.
Pronounce: kahee
Origin: apparently, a primary particle, having a copulative and sometimes also a cumulative force
they gnashed
brucho (Greek #1031)
to grate the teeth (in pain or rage)
KJV usage: gnash.
Pronounce: broo'-kho
Origin: a primary verb
on
epi (Greek #1909)
properly, meaning superimposition (of time, place, order, etc.), as a relation of distribution (with the genitive case), i.e. over, upon, etc.; of rest (with the dative case) at, on, etc.; of direction (with the accusative case) towards, upon, etc.
KJV usage: about (the times), above, after, against, among, as long as (touching), at, beside, X have charge of, (be-, (where-))fore, in (a place, as much as, the time of, -to), (because) of, (up-)on (behalf of), over, (by, for) the space of, through(-out), (un-)to(-ward), with. In compounds it retains essentially the same import, at, upon, etc. (literally or figuratively).
Pronounce: ep-ee'
Origin: a primary preposition
him
autos (Greek #846)
the reflexive pronoun self, used (alone or in the comparative 1438) of the third person , and (with the proper personal pronoun) of the other persons
KJV usage: her, it(-self), one, the other, (mine) own, said, (self-), the) same, ((him-, my-, thy- )self, (your-)selves, she, that, their(-s), them(-selves), there(-at, - by, -in, -into, -of, -on, -with), they, (these) things, this (man), those, together, very, which. Compare 848.
Pronounce: ow-tos'
Origin: from the particle αὖ (perhaps akin to the base of 109 through the idea of a baffling wind) (backward)
with
ho (Greek #3588)
the definite article; the (sometimes to be supplied, at others omitted, in English idiom)
KJV usage: the, this, that, one, he, she, it, etc.
Pronounce: ho
Origin: ἡ (hay), and the neuter τό (to) in all their inflections
odous (Greek #3599)
a "tooth"
KJV usage: tooth.
Pronounce: od-ooce
Origin: perhaps from the base of 2068
their teeth
odous (Greek #3599)
a "tooth"
KJV usage: tooth.
Pronounce: od-ooce
Origin: perhaps from the base of 2068
.