Avosine

Of or related to the qualities of a good "grandfather".
From the Latin "avos"=grandfather, and the suffix "-inum" = "of, like, having the qualities of"

The teacher brought his ripened avosine skills into play by holding and coddling the unwed-mother-student's restive baby while she took her final exam.

avosine

From the Latin «avos» = grandfather and “-ine” = like, resembling.
1. -ine is a suffix of adjectives of Greek or Latin origin, meaning “of or pertaining to,” “of the nature of,” “made of,” “like”: asinine; crystalline; equine; marine.

While his student went up to collect her technical degree, the venerable, avosine Professor proffered his help, then put all of his skills and years of experience to work, calming and coddling the restive, restless little wee baby that the young woman had just recently born.