ботаника ольха
имя существительное [ботаника] ольха ([латинский язык] Alnus)
noun Etymology: Middle English, from Old English alor; akin to Old High German elira alder, Latin alnus any of a genus (Alnus) of toothed-leaved trees or shrubs of the birch family that have catkins which become woody, that typically grow in cool moist ground, and that have wood used especially in turnery; also its wood
biographical name Kurt 1902-1958 German chemist