passant

[ pas-uh nt ]

/ ˈpæs ənt /

(of a beast) represented as in the act of walking, with one forepaw raised.

Origin of passant

1375–1425; late Middle English < Middle French, present participle of passer to pass; see -ant

So the exclamation of the highwayman, Seigneur passant, &c., must be a translation of Señor passagero.

Blackwood's Edinburgh Magazine - Volume 55, No. 344, June, 1844 |Various
Passant Guardant: as before, but looking out from the Shield, No. 174.

The Handbook to English Heraldry |Charles Boutell
Passant ce plus petit lac, on entre dans la seconde mer douce, sur les riues de laquelle sont les Maroumine.

History of the Discovery of the Northwest by John Nicolet in 1634 |Consul Willshire Butterfield
The griffin is rarely borne in other than two positions, viz., passant and segreant.

Fictitious & Symbolic Creatures in Art |John Vinycomb

A more correct description in such cases would be passant "respecting" or "regarding" each other.

A Complete Guide to Heraldry |Arthur Charles Fox-Davies

passant

/ (ˈpæsənt) /

(usually postpositive) heraldry (of a beast) walking, with the right foreleg raised

C14: from Old French, present participle of passer to pass