This is the 8220th most frequent Japanese word.
帯び
"帯び" (obi) means "to carry, to be entrusted with, to have a trace of, or to be tinged with."
In this sentence, '帯びる' is used to indicate that her words have taken on an aspect or feeling of sadness.
彼女の言葉は悲しみを帯びていた。
Her words carried a tone of sadness.
Here, '帯びる' denotes that the metal has a shiny characteristic resembling silver.
この金属は銀色の輝きを帯びている。
This metal has a silvery sheen.
In this case, '帯びる' describes having been assigned or entrusted with weighty responsibilities.