snarl (v.2) Look up snarl at Dictionary.com
"growl and bare the teeth," 1520s, perhaps from Dutch or Low German snarren "to rattle," probably of imitative origin (cf. German schnarren "to rattle," schnurren "to hum, buzz"). Meaning "speak in a harsh manner" first recorded 1690s. Related: Snarled; snarling.
snarl (v.1) Look up snarl at Dictionary.com
"to tangle, to catch in a snare or noose," late 14c., from a noun snarl "a snare, a noose" (late 14c.), probably a diminutive of snare (n.1). The noun meaning "a tangle, a knot" is first attested c.1600. Related: Snarled; snarling.