The medium would be a suitable term.
primary wave
That is a longitudinal wave.
energy, and not matter
Longitudinal wave.
Transverse
The material through which a wave travels is called the medium.
When a compression wave travels through a medium, the particles of the medium move parallel to the direction of the wave. Compression waves are commonly called longitudinal waves.
That sounds like the description of a transverse wave.
seismic waves bhosdi wale
seismic waves bhosdi wale
seismic waves bhosdi wale
A mechanical wave travels through matter.A mechanical wave travels through matter.A mechanical wave travels through matter.A mechanical wave travels through matter.