Universal 1179:

Original: For the concept ‘testicle’, by far the most widespread source is provided by terms for ‘egg’, alternative options being ‘stone’, ‘pebble’, ‘seed’, and ‘fruit’.
Standardized: For the concept ‘testicle’, by far the most widespread source is provided by terms for ‘egg’, alternative options being ‘stone’, ‘pebble’, ‘seed’, and ‘fruit’.
Keywords: body parts
Domain: lexicon
Type: target < source
Status: diachronic
Quality: statistical
Basis: 118 languages of worldwide distribution
Source: Brown & Witkowski 1981, Wilkins 1993, Wilkins 1996, reviewed in Heine 1997: 132

FP