This is the 7177th most frequent Japanese word.
一式
A complete set; everything included.
In this example, '一式' signifies 'a full assortment' of tools and items specific to the tea ceremony tradition.
彼女は伝統的な茶道具を一式持っています。
She owns a traditional tea ceremony set.
In this sentence, '一式' refers to 'a complete set' of items needed for mountain climbing.
彼は登山の道具を一式揃えました。
He gathered a complete set of mountain climbing gear.
Here, '一式' denotes 'an entire collection' of furniture to furnish a new space.