Morpheme
Breadth
Type
free base
Denotation
distance between the sides
Etymology
Middle English bredthe, from brede + th; Old English brǣdu, brǣd
Evidence
breadth, breadthless, breadths, breadthways, breadthwise, fingerbreadth, overbreadth, thumbsbreadth
Notes
probably on analogy of long~length
<ea> related to <oa> in Broad