breakfast lunch, midday meal 7 realizations
ACCEPTED Realization 1
Type Semantic evolution
Language Ancient Greek
Lexeme ἄριστον
Meaning 1 breakfast, morning meal (early usage, i.e. Homeric)
Direction
Meaning 2 lunch, midday meal (later usage, replaced with ἀκράτισμα as word for breakfast)
Reference LSJ
Comment
ACCEPTED Realization 2
Type Polysemy
Language Bulgarian
Lexeme ручок
Meaning 1 (dialect) late breakfast at 10 o'clock
Direction
Meaning 2 (dialect) lunch, midday meal
Reference RNBE
Comment Macedonian доручек 'breakfast', ручек 'lunch', Croatian dòručak 'the second meal of the day, which is eaten before noon, usually between 10 and 11 o'clock', rúčak 'the main meal of the day, the main meal taken in the middle of the day, around noon'
ACCEPTED Realization 3
Type Semantic evolution
Language Classical Arabic
Lexeme ḡadāʔ (غَدَاء)
Meaning 1 breakfast
Direction
Meaning 2 lunch, midday meal
Reference Lane
Comment

From the root غ د و‎ (ḡ-d-w); compare ḡadan (غَدًا‎) 'tomorrow', ḡadāh (غَدَاة‎) 'morning'

“the morning-meal, that is eaten between daybreak and sunrise . . . it may therefore be rendered breakfast: but is now commonly applied to dinner, which is eaten soon after the prayer of noon” (Lane)

ACCEPTED Realization 4
Type Semantic evolution
Language French
Lexeme déjeuner
Meaning 1 (dated, regional) breakfast

Alors que, les premiers mois, j'avais gardé mes heures de prière, de repos, de repas, que je m'étais crue obligée chaque jour de déjeuner, de dîner, de souper (...) Maintenant je vivais de bananes ou de mangues heure par heure. Giraudoux, Suzanne et le Pacifique,1921, p. 72.

Direction
Meaning 2 lunch, midday meal

J'ai eu ce jour la société du journal à déjeuner (Maine de Biran, Journal,1817, p. 57).Mais d'abord on déjeuna, sur le pouce (Pesquidoux, Livre raison,1928, p. 156):

Reference CNRTL
Comment
ACCEPTED Realization 5
Type Semantic evolution
Language Hadhrami Arabic
Lexeme ḍ̠uḥā
Meaning 1 breakfast
Direction
Meaning 2 lunch, midday meal
Reference WAD: II, 239
Comment
ACCEPTED Realization 6
Type Semantic evolution
Language Levantine Arabic
Lexeme ftụ̄r
Meaning 1 breakfast
Direction
Meaning 2 lunch, midday meal
Reference WAD: II, 239
Comment
ACCEPTED Realization 7
Type Internal cognates
Language Northern Yemeni Arabic
Lexeme 1 budāʾ, budaʾ
Lexeme 2 budeʾ
Meaning 1 breakfast
Direction
Meaning 2 lunch, midday meal
Reference WAD: II, 239
Comment

From the root bdʾ 'to begin'