der Fuß
foot
The lowest part of the leg in humans and animals, which one stands and walks on.
Nach der langen Wanderung taten mir die Füße weh.
After the long hike, my feet hurt.

foot
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foot
The lowest part of the leg in humans and animals, which one stands and walks on.
Nach der langen Wanderung taten mir die Füße weh.
After the long hike, my feet hurt.

The word 'Fuß' (foot) is the basis for many useful compound nouns. If you recognize 'Fuß', you can often understand the meaning of words like 'Fußball' (football/soccer), 'Fußgänger' (pedestrian), or 'Fußboden' (floor) more easily.
In der Fußgängerzone dürfen keine Autos fahren.
No cars are allowed to drive in the pedestrian zone.
The phrase 'zu Fuß' (on foot) is a fixed expression and means 'walking'. It is always formed with the preposition 'zu' and the singular 'Fuß', even though you walk with two feet.
Die Schule ist nicht weit, ich gehe jeden Tag zu Fuß.
The school isn't far; I go on foot every day.
You can tell from context whether 'Fuß' (foot/base) describes the base of something. In this meaning, the word is often connected with geographical objects, furniture, or objects.
Am Fuß des Leuchtturms gibt es ein kleines Café.
At the foot of the lighthouse, there is a small café.
The idiom 'kalte Füße bekommen' (to get cold feet) has nothing to do with temperature. It means that someone becomes afraid at the last moment and abandons a plan.
Er wollte ein Auslandssemester machen, hat aber kurz vorher kalte Füße bekommen.
He wanted to do a semester abroad, but he got cold feet shortly beforehand.
When 'Fuß' (foot) is used as a unit of measurement, it almost always appears together with a number. This use is especially common in aviation and shipping.
Das Segelboot ist 40 Fuß lang.
The sailboat is 40 feet long.
to go
'gehen' and 'zu Fuß' both belong to moving around without a vehicle. 'gehen' is the verb and describes the movement itself. 'zu Fuß' is not a verb, but says how you get somewhere: not by car, bus, or bicycle, but by walking. That is why people often say 'zu Fuß gehen' (to go on foot / to walk). Learners may confuse the words because 'Fuß' is physically connected with walking. The important point is: 'gehen' is the action, while 'zu Fuß' describes the mode of transportation.

Zur Schule komme ich meistens zu Fuß.
I usually get to school on foot.
Heute gehe ich langsam zum Bahnhof, weil ich genug Zeit habe.
Today I am walking slowly to the train station because I have enough time.