狭くて

narrow and, cramped and

→ 狭い
狭 narrow; cramped + く Adverbial form + て Te-form (conjunctive form)
adjective Rare #39,272
narrow and, cramped and The て-form of 狭い; it connects to what follows and can also give a reason.
JA: この部屋は狭くて、家具を置けません。
EN: This room is cramped, so I can't put any furniture in it.
Forms of 狭い

狭くて

It's cramped and...

— When Marnie Was There (2014)

スタジオはとても狭くて、隠れる場所はない。

The studio is very cramped, and there’s nowhere to hide.

狭くて暗い階段

A narrow, dark staircase

— イノセンス (2004)

門はとても狭くてその車は通れません。

The gate is too narrow for that car to get through.