amāsius

Meaning

1. rarea male lover, paramour
   nunc ego istos mundulos urbanos amasiosNow those finicky town bed-hoppers with this one stroke shall I send adrift and toss them all outsidec. 189 BCE, Plautus, Truculentus 3.1.14–15
   Delphinos venerios esse et amasios non modo historiae veteres, sed recentes quoque memoriae declarant.That dolphins are affectionate and amorous is shown, not only by ancient history but also by tales of recent date.c. 177 CE, Aulus Gellius, Noctes Atticae 6.8.1

Declension

Lewis & Short A Latin Dictionary, 1879

Origins

From amō (“to love”), perhaps suffixed with -āsius, dialectal unrhotacized variant of -ārius, from Proto-Italic *-āzios; its post-classical variant amāsiō is secondary.