supplies / reinforcements
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supplies
The supply of troops or an organization with material, food, or personnel needed to continue operations. Usually used in a military or logistical context.
Der Nachschub an Munition für die Front wurde unterbrochen.
The supply of ammunition for the front was cut off.
new supply
A new delivery or influx of something that is needed, also used figuratively for people or ideas.
Der Verein braucht dringend Nachschub an jungen Talenten.
The club urgently needs a new supply of young talent.
The word is made up of 'nach' (after/along) and 'Schub' (push/batch). A 'Schub' is a delivery or a sudden movement. So 'Nachschub' (supplies/resupply) literally describes something that is delivered afterward or 'pushed in after' in order to make up for a shortage.
Ohne Nachschub an Baumaterialien kann die Baustelle nicht weitermachen.
Without a new supply of building materials, the construction site cannot continue.
'Nachschub' (supplies/resupply) is almost always used in the singular, even when it refers to many different things or a large quantity. A plural form practically does not exist in general usage.
Die Supermärkte bekommen täglich frischen Nachschub.
The supermarkets receive fresh supplies every day.
To specify what the supplies consist of, the preposition 'an' with the dative is very commonly used. The structure is: Nachschub + an + dem/der/den + noun.
Es mangelt an Nachschub an qualifizierten Arbeitskräften.
There is a lack of new supply of qualified workers.
You can recognize this meaning from the military or logistical context. Words like 'Truppen' (troops), 'Front' (front), 'Armee' (army), 'Material' (material), or 'Munition' (ammunition) clearly point to the supply of units.
Die Versorgungslinien für den Nachschub wurden angegriffen.
The supply lines for the resupply were attacked.
supply / care
When necessary goods have to reach a group, both Versorgung and Nachschub can fit. Versorgung refers to the broader process or the state in which everything needed is available, while Nachschub specifically means new deliveries or their arrival. For ongoing support, Versorgung is appropriate; for a new delivery, Nachschub is appropriate.
Am Morgen traf der Nachschub mit Wasser und Lebensmitteln für die Helfer ein.
The supplies of water and food for the helpers arrived in the morning.
Die Versorgung der Helfer mit Wasser und Lebensmitteln war während des Einsatzes gesichert.
The helpers had a secure supply of water and food throughout the operation.
