אָמַץ
From LSJ
ἀλώπηξ, αἰετοῦ ἅ τ' ἀναπιτναμένα ῥόμβον ἴσχει → a fox, which, by spreading itself out, wards off the eagle's swoop
English (Strong)
a primitive root; to be alert, physically (on foot) or mentally (in courage): confirm, be courageous (of good courage, stedfastly minded, strong, stronger), establish, fortify, harden, increase, prevail, strengthen (self), make strong (obstinate, speed).