The story
- Proto-Indo-European*déḱm̥
- Proto-Germanic*tehun
- Proto-West Germanic*tehun
- English today-teen
From Middle English -tene, from Anglian Old English -tēne (compare West Saxon -tīene), from an inflected form of Proto-West Germanic *tehun, from Proto-Germanic *tehun (“ten”).
Words from the same roots
Proto-West Germanic*tehun all →
ten
Proto-Germanic*tehun all →
ten
Etymology from Wiktionary, CC BY-SA 4.0.