This is the 5737th most frequent Japanese word.
つや
"Gloss," "luster," or "shine."
In this sentence, "つや" refers to the gloss or shine on the surface of the furniture, indicating its quality and appearance.
この家具はとても美しいつやを持っています。
This furniture has a very beautiful gloss.
Here, "つや" describes the shine or luster that appears on one's hair as a result of using conditioner.
髪に良いコンディショナーを使うと、つやが出ます。
Using a good conditioner brings out the shine in your hair.
In this context, "つや" denotes the gloss or polished surface characteristic achieved by careful maintenance or treatment.