English

interosculate

From inter- + osculate.

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 ōsculātus ‘having kissed’

Today it means

verb To connect together as if kissing; to touch barely.

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

Etymograph / interosculate