! Type in unicode polytonic Greek using beta code as indicated below:
Combine punctuation marks when necessary e.g. )/a => ἄ
| /a => ά | \a => ὰ | =a => ᾶ | )a => ἀ |
| (a => ἁ | !a => ᾳ | +i => ϊ | h => η |
| q => θ | x => χ | c => ξ | z = ζ |
| j => ψ | w => ω | s => σ, ς |
κάθετος, ος, ον
1 que desce a prumo; perpendicular: κατὰ κάθετον plut. em linha vertical em relação a, gen.
♦ ἡ [γραμμή] κάθετος 2 fio de prumo 3 Matem. linha perpendicular: πρός (τὴν) κάθετον μετρεῖν plut. medir perpendicularmente, verticalmente. 〈καθίημι〉