focus, ī, m., fireplace, hearth.
[fodiō, ere, fōdī, fossus], to dig.
con—cōnfodiō, ere, fōdī, fossus, to stab, pierce.
sub—suffodiō, ere, fōdī, fossus, to dig beneath, undermine, tunnel; stab beneath.
trāns—trānsfodiō, ere, fōdī, fossus, to pierce, stab, slash.
foedē [foedus, foul], adv., foully, basely.
foederātus [foedus], adj., leagued or allied with.
foedus, eris, n., a treaty, alliance.
fōns, fontis, m., a spring, fountain.
forās [*fora, a door; cf. foris], adv., out of doors, forth, out.