underlying

US /ˌʌn.dɚˈlaɪ.ɪŋ/
UK /ˌʌn.dɚˈlaɪ.ɪŋ/
"underlying" picture
1.

subyacente, fundamental

forming a foundation or basis; fundamental

:
The underlying cause of the problem was a lack of communication.
La causa subyacente del problema era la falta de comunicación.
There is an underlying tension in their relationship.
Hay una tensión subyacente en su relación.