Where does “mucoaqueous” come from?

mucoaqueous (English) comes from English aqueous, from English -ous, from Middle English -ous, from Old French -us, from Latin -ōsus, from Old Latin -ōssus.

mucoaqueous (English): Containing both mucus and water, especially in reference to the tear film of the ocular surface

Definitions

Containing both mucus and water, especially in reference to the tear film of the ocular surface

Ancestry of “mucoaqueous”, step by step

Step	Language	Word	Meaning
1	English	aqueous	Consisting mostly of water
2	English	-ous	Used to form adjectives from nouns, to denote...
3	Middle English	-ous	—
4	Old French	-us	-ous, used for forming adjectives
5	Latin	-ōsus	ose, -ous, -ful (full of or overly prone to)
6	Old Latin	-ōssus	—

Every word from Old Latin -ōssus →