Gibbons are small apes of the species Hylobates[?]. They are also called lesser apes, and differ from great apes in being smaller and generally monogamous and in not making nests. They are classified as follows.
... the second line is nominative. na caaham =
"...and not I....", meaning "but I am not...".
"teshv-" (in/at/by them) at the end of the second line is in ...