The story
- Proto-Indo-European*bʰā-
- Proto-Germanic*bō-redup.
- Proto-Germanic*babô
- Proto-West Germanic*babō
- Old English*baba
- Middle Englishbabe
- Middle Englishbaby
- Englishbaby
- Englishboom
- Englishboomer
- Englishbaby
- Englishboom
- Englishbaby boom
- Englishbaby boomerellip.
- Englishboomerbf.
- English today-oomer
Back-formation from boomer.
Etymology from Wiktionary, CC BY-SA 4.0.