The story
- Proto-Indo-European · derived from*bʰreh₁-“breath, mist, vapour, steam”
- Proto-Germanic · inherited from*brōduz“heat, breeding”
- Old English · inherited frombrōd“brood; foetus; breeding, hatching”
- Middle English · inherited frombrood
- English todaybrood
From Middle English brood, brod, from Old English brōd (“brood; foetus; breeding, hatching”), from Proto-Germanic *brōduz (“heat, breeding”), from Proto-Indo-European *bʰreh₁- (“breath, mist, vapour, steam”).
Words from the same roots
Middle Englishbrood all →
broad
Proto-Indo-European*bʰreh₁- all →
brawn
Etymology from Wiktionary, CC BY-SA 4.0.