granum

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English[edit]

Etymology[edit]

Late 19th c., plural of Latin granum (grain)

Noun[edit]

granum (plural grana)

  1. (biology) A stack-like structure in plant chloroplasts that contain chlorophyll; the site of photosynthesis.

Latin[edit]

Etymology[edit]

From Proto-Indo-European *ǵr̥h₂nóm. Cognates include Albanian grurë[1], Old Irish grán, Breton greun, Old Church Slavonic зрьно (zrĭno), Lithuanian žìrnis (pea), Persian خرمن(xarman, grain) and Old English corn (grain) (English corn).

Pronunciation[edit]

Noun[edit]

grānum n (genitive grānī); second declension

  1. a grain, seed or small kernel

Declension[edit]

Second-declension noun (neuter).

Case Singular Plural
Nominative grānum grāna
Genitive grānī grānōrum
Dative grānō grānīs
Accusative grānum grāna
Ablative grānō grānīs
Vocative grānum grāna

Derived terms[edit]

Related terms[edit]

Descendants[edit]

References[edit]

  • ^ An Albanian Historical Grammar, Suart E. Mann, Buske, 1977, p.55