licuisse
licuisse is a Latin form of licet, meaning “it is allowed; (conj.) although”. It is the perfect active infinitive.
It can also be a form of liqueo, “be liquid; (impers. liquet) it is clear, evident”.
Found 30 times in the Latin texts on Socratos.
Where it is used
Cicero, In C. Verrem 2.1.12: … domi suae, posteaquam Romam redierit, usque dum per me licuerit retinuisse. hoc in illo maiestatis iudicio si licuisse sibi ostenderit, ego oportuisse concedam. ex hoc quoque evaserit: proficiscar eo quo me iam pridem vocat popu …
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.