1650s, in sense of building, from Late Latin tectonicus, from Ancient Greek τεκτονικός (tektonikós, “pertaining to building”), from Ancient Greek τέκτων (téktōn, “carpenter, joiner, maker”), from Proto-Indo-European *tek- (“to make”) (from which also texture). In sense of geology, attested 1894. Surface analysis is τέκτων (téktōn) + -ic (“pertaining to”).
tectonic (not comparable)
- of or relating to construction or to architecture
- (geology) of, relating to, or caused by large-scale movements of the Earth's lithosphere