Bimoraic

Gǀui Dialect - Phonology - Tone
... Bimoraic roots carry one of six tones high-level, high-mid (or "high falling"), mid-low (or "mid"), low-mid dipping/rising, high falling (or "falling ... That is, there are two tones or CV and V roots two tones on bimoraic roots with breathy vowels, one of them falling and four tones on bimoraic roots with other vowels, one of them falling ...

Proto-Germanic Language - Phonology - Vowels - Overlong Vowels
... vowels generally occurred at morpheme boundaries where a bimoraic long vowel and a short vowel in hiatus contracted, especially after the loss of an intervening laryngeal (-VHV-) ... Additionally, Germanic, like Balto-Slavic, lengthened bimoraic long vowels in absolute final position, perhaps to better conform to a word's prosodic template e.g ... PIE *-eh₂ns Trimoraic vowels are distinguished from bimoraic vowels by their outcomes in attested Germanic languages word-final trimoraic vowels remained long vowels while bimoraic vowels developed into short vowels ...