The story
- Ancient Greek · derived fromτέτταρες“four”
- Ancient Greek · derived fromτέρας“monster”
- English todaytera-
From Ancient Greek τέρας (téras, “monster”). Also from Ancient Greek τέτταρες (téttares, “four”), by analogy with tetra- for being the fourth power of 10³. Doublet of terato-.
Words from the same roots
Ancient Greekτέρας all →
terasterato-
Ancient Greekτέτταρες all →
tetra-tetra-amelia
Etymology from Wiktionary, CC BY-SA 4.0.