Where does “cytseiniol” come from?

cytseiniol (Welsh) comes from Welsh -iol, from Middle Welsh -awl, from Proto-Celtic -ālos, from Proto-Indo-European -eh₂los, from Proto-Indo-European -los — Forms diminutive nouns from noun stems.

cytseiniol (Welsh): consonantal

Definitions

consonantal

Ancestry of “cytseiniol”, step by step

Step	Language	Word	Meaning
1	Welsh	-iol	adjectival suffix
2	Middle Welsh	-awl	added to nouns to form adjectives
3	Proto-Celtic	-ālos	Used to form adjectives from nouns
4	Proto-Indo-European	-eh₂los	—
5	Proto-Indo-European	-los	Forms diminutive nouns from noun stems

Every word from Proto-Indo-European -los →Every word from Welsh -iol →Every word from Proto-Celtic -ālos →