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English word label comes from Proto-Indo-European *leb-, Proto-Germanic *lappēn, and later Frankish *labba (Rag, torn cloth.)
*leb- (Proto-Indo-European)
to hang down, to hang loosely , to hang loosely, droop, sag, blade, to hang down, droop
*lappēn (Proto-Germanic)
*lappô (Proto-Germanic)
*labbva (Frankish)
*labba (Frankish)
Rag, torn cloth.
*labbe (Old French)
lambel (Old French)
label (Middle English)
label (English)
(biochemistry) To add a detectable substance, either transiently or permanently, to a biological substance in order to track the presence of the label-substance combination either in situ or in vitro. (biochemistry) To replace specific atoms by their isotope in order to track the presence or movement of this isotope through a reaction, metabolic pathway or cell.. (transitive) To give a label [...]