ἀνάγκῃ
From LSJ
ἤκουσεν ἐν Ῥώμῃ καὶ ἀρσένων ἑταιρίαν εἶναι → he heard that there was also a fellowship of males in Rome (Severius, commentary on Romans 1:27)
English (Woodhouse)
(see also: ἀνάγκη) necessarily, perforce, by constraint, by force, under compulsion