reumatiek f (uncountable)
reuma + -iek: from Latin rheumatismus (“rheum”), from Ancient Greek ῥευματισμός (rheumatismós, “humour, discharge, rheum”) from ῥευματίζομαι (rheumatízomai, “I suffer from a rheum”) from ῥεῦμα (rheûma, “stream, flow”) from ῥέω (rhéō, “I flow”)