A transliteration of the Korean surname 윤(尹) (Yun), Yoon

(architecture, construction, carpentry) a lintel

wild grass / common bog-rush (Schoenus apogon)

い草: common rush (plant)

Juncus effusus, commonly known as common rush or soft rush, a flowering plant.

(rare, obsolete) trade, transaction

(rare, obsolete) to trade, to engage in trade, particularly internationally

a market, a marketplace / a place where a lot of people gather / (less commonly) a town, a city

market

mutual, together, each other / used in official or epistolary writings for elegance or politeness