English

interosculant

From inter- + osculant.

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁entér ‘between’

Proto-Italic *n̥ter ‘between’

Latin inter ‘between’

Proto-Indo-European *h₁óh₃s ‘mouth’

…

Latin ōs ‘mouth’

Latin ōsculum ‘a kiss’

Latin ōsculor ‘to kiss’

Latin osculans ‘kissing’

Today it means

adj Mutually touching or intersecting.

Language periods are conventional ranges, not dates for this word.

Etymograph / interosculant