φρύγανον, -ου, τό (< φρύγω, to parch), [in LXX chiefly for קַשׁ, also for חָרוּל, etc. ;] a dry stick: pl., brushwood: Act.28:3.† (AS)
Thayer:
1) a dry stick, a twig 2) all dry sticks, bush wood, fire wood, or similar material used as fuel 2a) of straw, stubble
φρύγανον
phruganon
froo'-gan-on
Neuter of a presumed derivative of φρύγω phrugō (to roast or parch; akin to the base of G5395); something desiccated, that is, a dry twig