felicis
felicis is a Latin form of felix, meaning “fortunate, happy; fruitful”. It is the genitive singular feminine adjective.
Found 34 times in the Latin texts on Socratos.
Where it is used
Cicero, Letters to his Friends 13.28a.2: itaque sic velim existimes, me omnis Achaiae civitates arbitrari pro horum temporum perturbatione felicis, quod iis tu praesis, eundemque me ita iudicasse, te, quod unus optime nosses non nostra solum sed etiam Grae …
Ovid, Metamorphoses 2.809: Felicisque bonis non lenius uritur Herses,
All forms of felix (declension table)
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.