English

synclinal

From syn- + -clinal.

Formed from syn + clinal

Ancient Greek σῠ́ν ‘with’

English syn

Proto-Indo-European *ḱley-

Proto-Indo-European *ḱl̥néyti ‘to be leaning, sloped, bent’

Proto-Hellenic *klíňňō

Ancient Greek κλῑ́νω ‘to bend’

Ancient Greek κλίνη ‘bed’

Today it means

adj Having or relating to a torsion angle between 30° and 90°

Language periods are conventional ranges, not dates for this word.

Etymograph / synclinal