transcription, транскрипция: [ ˌən-dər-ˈlī-iŋ ]
adjective
Date: 1611
1.
a. : lying beneath or below
the underlying rock is shale
b. : basic , fundamental
an investigation of the underlying issues
2. : evident only on close inspection : implicit
3. : anterior and prior in claim
underlying mortgage
4. : of or being present in deep structure
underlying word order