Where does “-rrhea” come from?

-rrhea (English) comes from Ancient Greek ῥοία, from Ancient Greek ῥέω, from Proto-Indo-European srew-, from Proto-Indo-European ser- — to flow; to guard; to bind, to tie together.

-rrhea (English): flowing

Definitions

flowing

Ancestry of “-rrhea”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	ῥοία	flow, flux
2	Ancient Greek	ῥέω	I flow, stream, run, gush; I let flow, pour; I...
3	Proto-Indo-European	srew-	to flow, stream
4	Proto-Indo-European	ser-	to flow; to guard; to bind, to tie together

Words derived from “-rrhea”

dysmenorrhea
seborrheic
steatorrhea
otorrhea
oligomenorrhea
seborrhea
pyorrhea
spermatorrhea
sialorrhea
logorrhea
bronchorrhea
eumenorrheic
hypomenorrhea
blennorrhea
antiseborrheic
hypermenorrhea
logorrheic
menorrhea
dysmenorrheal
oligomenorrheic
eumenorrhea
dysmenorrheic
cryptomenorrhea
lactorrhea

Every word from Proto-Indo-European ser- →