Where does “nonsessile” come from?

nonsessile (English) comes from English non, from French non, from Old French non, from Latin nōn, from Old Latin noenum, from Proto-Indo-European óynos — one; single.

nonsessile (English): Not sessile

Definitions

Not sessile

Ancestry of “nonsessile”, step by step

nonsessile traces back through two separate lines of ancestry.

via English non

Step	Language	Word	Meaning
1	English	non	Obsolete form of none
2	French	non	no; not; a no, a negative response
3	Old French	non	no; not; Alternative form of nom
4	Latin	nōn	not
5	Old Latin	noenum	—
6	Proto-Indo-European	óynos	one; single

via English sessile

Step	Language	Word	Meaning
1	English	sessile	Permanently attached to a substrate; not free to...
2	Latin	sessilis	suitable as a seat; that is low-growing; dwarf;...
3	Latin	-ilis	-ile
4	Proto-Italic	-elis	—
5	Proto-Indo-European	-elis	—
6	Proto-Indo-European	-lós	Forms agent nouns from verbal roots

Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →