fornicatim
From LSJ
τοὐλεύθερον γὰρ ὄνομα παντὸς ἄξιον → the title ‘free' is worth everything
Latin > English (Lewis & Short)
fornĭcātim: adv. fornicatus,
I in the form of an arch, archwise, Plin. 16, 42, 81, § 223.
Latin > French (Gaffiot 2016)
fornĭcātim (fornico), en forme de voûte : Plin. 16, 223.