From Middle Low German lēren, from Proto-Germanic *laizijaną, cognate with German lehren (“teach”), Dutch leren, and Gothic 𐌻𐌰𐌹𐍃𐌾𐌰𐌽 (laisjan). Late Old Norse læra, Norwegian lære, and Swedish lära are also borrowed from Low German. For sense development from "teach" → "learn", compare Russian учи́ть (učítʹ), Bulgarian у́ча (úča).
lære (imperative lær, infinitive at lære, present tense lærer, past tense lærte, perfect tense har lært)
From Middle Low German lēre, from Proto-Germanic *laizō (“teaching”), cognate with English lore, German Lehre, Dutch leer, and Gothic 𐌻𐌰𐌹𐍃𐍉 (laisō). Norwegian lære and Swedish lära are also borrowed from Low German.
lære c (singular definite læren, plural indefinite lærer)
lære
From German Low German lere.
lære f or m (definite singular læra or læren, indefinite plural lærer, definite plural lærene)
From late Old Norse læra, lǽra, from Old Saxon lērian, ultimately from Proto-Germanic *laizijaną.
lære (imperative lær, present tense lærer, passive læres, simple past lærte, past participle lært)
From Old Norse læra, from Middle Low German leren, from Old Saxon lērian, from Proto-West Germanic *laiʀijan, from Proto-Germanic *laizijaną, from Proto-Indo-European *loyséyeti, from the root *leys (“to trace; to track”).
lære (present tense lærer, past tense lærte, past participle lært, passive infinitive lærast, present participle lærande, imperative lær)
From Middle Low German lêre, from Old Saxon lēra, from Proto-Germanic *laizō (“teaching, lore, doctrine”). Doublet of lære (Etymology 3). Cognates include English lore.
lære f (definite singular læra, indefinite plural lærer, definite plural lærene)
From German Lehre f. Doublet of lære (Etymology 2).
lære f or n (definite singular læra or læret, indefinite plural lærer or lære, definite plural lærene or læra)