jak złodziej, ukradkiem, po kryjomu; furaciter, furum more, clam, furtive
TPaw IV p. 800 (a. 1400) : sicut sciunt, quod Choczemir non interfecit duodecim ancas (ed. uncas) Dobkoni f-o nec utilitatem habet.
Ib. p. 368 (a. 1418) : rota: sicut ego Johannis in borra non recepi falcones ... f-o.Cf. FURTIM FURTIVE I.