Where does “nutricaturus” come from?

nutricaturus (Latin) comes from Latin nūtrīcō, from Latin nūtrīx, from Latin nūtriō, from Proto-Italic snoutrjō, from Proto-Indo-European snew-tr-ih₂, from Proto-Indo-European (s)neh₂- — to swim; to float.

Definitions

Ancestry of “nutricaturus”, step by step

Step	Language	Word	Meaning
1	Latin	nūtrīcō	to suckle, nourish, rear
2	Latin	nūtrīx	a child's nurse; wet nurse; milk mother
3	Latin	nūtriō	to suckle, breastfeed, nurse
4	Proto-Italic	snoutrjō	—
5	Proto-Indo-European	snew-tr-ih₂	female nurser
6	Proto-Indo-European	(s)neh₂-	to swim; to float

Every word from Proto-Indo-European (s)neh₂- →Every word from Proto-Indo-European snew-tr-ih₂ →Every word from Proto-Italic snoutrjō →