A part
三
Shown as a part of 2 words so far, read 2 ways.
さん 1 word
- 三角さんかくtriangle, triangular
三角 · here “three”
みっ 1 word
- 三日みっかthree days, third day of the month
三日 · here “three” (from みつ)
Also written with 三
These words contain the character in their spelling but show no breakdown that names it, so nothing is claimed about its role in them.