φθινοπωρινός

Etymology
From, already since 5th century at Hippocrates (@scaife.perseus).

Adjective
& rare feminine


 * 1) autumnal

Derived terms

 * φθινοπωρινὴ ἰσημερία (@scaife.perseus)

Etymology
..

Adjective

 * 1) autumnal, autumn, autumn-, fall, fall- occurring during, suitable for or typical of the season of autumn/fall