What is the meaning of Tero?
the earth's surface
soil, ground (substance)
solid ground, land (in contrast with the water)
the planet Earth
earth
Rōmaji transcription of テロ
to rub or triturate
to wear away or wear out, consume
to tread
to pass, spend
Clipping of teruteru (“terutero”).
to be nice (of a person)
to hit, to make a hit
Source: wiktionary.org