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Etymology 1[edit]

From Old Swedish trǣet, trǣt, later trǣdh, originally the definite form of trǣ (tree, wood), from Old Norse tré, from Proto-Germanic *trewą (tree, wood), from pre-Germanic *dréwom, thematic e-grade derivative of Proto-Indo-European *dóru (tree). Doublet of trä. The form trædh, trädh was used still as the definite form in Old Swedish and in the Gustav Vasa Bible (1541), but by the early 18th century, it had split into the indefinite form meaning ”tree”, separate from trä (wood). Hence, the modern definite form is trädet, with the definite ending -et on top of the now fossilized remnant of definite form -d.


  • IPA(key): /trɛː(d)/
  • (file)
  • Rhymes: -ɛːd, -ɛː


träd n

  1. (botany) tree
  2. tree; plant reminiscent of a tree in the sense above, but which is botanically strictly not a "tree".
  3. (graph theory) tree
  4. (computing theory) tree
Usage notes[edit]
  • Since träd is sometimes pronounced /trɛː/ (without the final /d/), it is sometimes treated as a vowel final neuter word like spö (rod) with the definite singular trät, plural trän, definite plural träna, compare bröd.
Declension of träd 
Singular Plural
Indefinite Definite Indefinite Definite
Nominative träd trädet träd träden
Genitive träds trädets träds trädens
Related terms[edit]

Etymology 2[edit]

See the etymology of the corresponding lemma form.




  1. imperative of träda