léieren (Luxembourgish)

Where does "léieren" come from?

The Luxembourgish verb 'léieren', which carries the intertwined senses of both 'to learn' and 'to teach', descends directly from Old High German 'lēren'[1]. This in turn traces back through Proto-West Germanic '*laiʀijan'[2] to the Proto-Germanic verb '*laizijaną'[1][2]. The Germanic formation ultimately links to the Proto-Indo-European root '*leys-', meaning 'track', 'furrow', or 'trail'[3][4]. Over centuries of development in Germanic speech, an ancient concept tied to following a track or furrow evolved into imparting knowledge and following a path of study.

Open questions

Sources present differing derivations within Proto-Germanic, deriving '*laizijaną' directly from the verb '*lizaną' or connecting it through the noun '*laizō'. [2] [3] [6]
The reconstructed Proto-Indo-European root '*leys-' and the verb form '*(le-)lóys-e' are unattested hypotheses based on historical sound correspondences. [3] [4]

Full etymology tree

léieren (Luxembourgish), 'to learn'
- inherited leren (Old High German), 'to teach'
  - inherited *laiʀijan (Proto-West Germanic), 'to teach'
    - inherited *laizijaną (Proto-Germanic), 'to teach'
      - affix *lizaną (Proto-Germanic), 'to know, to be familiar with, to understand'
        inherited *(le-)lóys-e (Proto-Indo-European)
        derived *leys- (Proto-Indo-European), 'to trace, to track'
      - suffix *-janą (Proto-Germanic), 'Derives causatives from basic strong verbs, with a sense of 'cause to do (the action of the verb)'. The stem vowel of the derived verb becomes that of the singular past tense, and the final consonant becomes the voiced Verner alternant.'
      - derived *laizō (Proto-Germanic), 'teaching; lore; doctrine'

Ancestors

leren (Old High German)
*laizijaną (Proto-Germanic)

Cognates and doublets

Descendants and derived words

bäiléieren (Luxembourgish)
beléieren (Luxembourgish)
verléieren (Luxembourgish)
verléieren (Luxembourgish)

Sources

Updated October 2026

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Etymology data from Wiktionary, CC BY-SA 4.0 · About Miraris