-uculus

Alteration, probably by rebracketing, of diminutive suffix -culus. (Some words ending in -uculus can be analyzed as containing -culus preceded by the stem vowel -u- of the fourth declension, such as genuculum from genū̆.)

• (Classical Latin) IPA^(key): [ʊ.kʊ.ɫʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [u.ku.lus]

-uculus (feminine -ucula, neuter -uculum); first/second-declension suffix

1. alternative form of -culus
   1. added to a noun to form a diminutive of that noun.