This looks like a curvy line underneath a straight line. The straight line is slightly at a slant, going from the bottom left to the top right. The lines are intersecting.
This Tangent icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,700 icons, all in the same style and quality.