beginning: P. and V. ἀρχή, ἡ.
cause: P. and V. αἰτία, ἡ, Ar. and P. αἴτιον, τό.
starting point: P. and V. ἀφορμή, ἡ.
source, root: P. and V. πηγή, ἡ (Plato), ῥίζα, ἡ.
birth, lineage: P. and V. γένος, τό, V. γονή, ἡ, σπορά, ἡ; see lineage.
coming into being: P. and V. γένεσις, ἡ.
