Etymology of the Greek word panspermia (πανσπερμία)
the Greek word panspermia, πανσπερμία
derived from the Greek word sperma, σπέρμα (seed; something sown; seed (including the male 'sperm'); by implication, offspring; specially, a remnant (figuratively, as if kept over for planting))
derived from the Proto-Indo-European root *sper-
derived from the Greek word speirein, σπείρω (to scatter; sow )
using the Greek prefix pan-, παν-