Sens

since —see Siððen
sb. incenseVariants: sence, senseEtymology: Anglo-French ensens, encens; Latin incensum, lit. what is burned (Vulg.).

Cela tombe sous le sens = That is self-evident, obvious.

Sens dessus dessous = Upside down; Topsy-turvy.

Sens devant derrière = Wrong side first.

À contresens = Contrary to the meaning; In the wrong way.