Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. in-termĭnātus, a, um, adj.,
2. intermĭnātus, a, um, Part., from interminor.
(inter-mĭno, a false read. for in terrast, Plaut. Mil. 2, 3, 42; v. Ritschl ad h. l.)
inter-mĭnor, ātus, 1, v. dep., to threaten, menace; to forbid with threats (poet.): mihi tibique interminatus est, nos futuros, etc., Plaut. As. 2, 2, 95; id. Ps. 3, 1, 10: alicui vitam, id. Cas. 3, 5, 28: istuceine tibi, Ter. Eun. 5, 1, 14: minor, interminorque, ne quis, etc., id. Capt. 4, 2, 11; Ter. And. 3, 2, 16.
Note: intermĭnātus, a, um; in pass. sense: cibus ( = interdictus, vetitus), Hor. Epod. 5, 39: poena, threatened, Cod. Th. 16, 5, 60.