PAL

Ptolemaeus Arabus et Latinus

_ (the underscore) is the placeholder for exactly one character.
% (the percent sign) is the placeholder for no, one or more than one character.
%% (two percent signs) is the placeholder for no, one or more than one character, but not for blank space (so that a search ends at word boundaries).

At the beginning and at the end, these placeholders are superfluous.

(terrestrial) latitude ‘(terrestrial) latitude’

English

References: Alm. Toomer: 42 n.32; 97-99
Translation of:
Greek: κλίμα [Alm. Heiberg: II.7, 130:21, 132:8, 133:15]