acanthoma adenoides cysticum

The story

1. Latin · derived fromcystis“cyst”
2. Ancient Greek · borrowed fromἀδενοειδής“glandular”
3. English todayacanthoma adenoides cysticum

From acanth- + -oma (“tumor consisting of a specified cell”) + from Ancient Greek ἀδενοειδής (adenoeidḗs, “glandular”), from ἀδήν (adḗn, “gland”) + Latin cystis (“cyst”).