This is the 5047th most frequent Spanish word.
estrecho
"Narrow" or "strait" (depending on context).
In this sentence, 'estrecho' is used as an adjective meaning 'narrow', describing a physical dimension of the road.
El camino era tan estrecho que apenas pasaba un coche.
The road was so narrow that only one car could barely pass.
Here, 'estrecha' (feminine form of 'estrecho') is used metaphorically to describe a close personal relationship, emphasizing its emotional proximity.
Tienen una relación muy estrecha desde la infancia.
They have had a very close relationship since childhood.
In this context, 'estrecho' is a noun referring to a narrow water channel between two larger bodies of water, showcasing its geographical use.