Where does “tuill” come from?

tuill (Irish) comes from Middle Irish tuillid, from Old Irish ·tuilli, from Old Irish do·slí.

tuill (Irish): to earn; to deserve

Definitions

Step	Language	Word	Meaning
1	Middle Irish	tuillid	—
2	Old Irish	·tuilli	—
3	Old Irish	do·slí	—

tuill — Etymology, Origin & Word History | Etymology Explorer