Is this IPA symbol for a long vowel available?

Question

Is the below marked symbol available in any of the font?

Answer 1

As commented by campa, below might be a solution.

\documentclass{article}
\usepackage{times}
\usepackage{tipa}
\begin{document}
p\^{e}l /pe\textlengthmark l/
\end{document}

Answer 2

In Unicode, it is triangular colon (U+02D0):

MWE

\documentclass{article}
\usepackage{fontspec}
\newcommand\ffontaname{DejaVu Serif}
\newcommand\ffontbname{Gentium Plus}
\newcommand\ffontcname{FreeMono} 
\newcommand\ffontdname{Doulos SIL}
\newcommand\ffontename{FreeSerif}
\newcommand\ffontfname{Charis SIL}
\newfontfamily\ffonta{\ffontaname}
\newfontfamily\ffontb{\ffontbname}
\newfontfamily\ffontc{\ffontcname} 
\newfontfamily\ffontd{\ffontdname}
\newfontfamily\ffonte{\ffontename}
\newfontfamily\ffontf{\ffontfname}
\newcommand\testtext{pêl /peːl/}
\begin{document}
\Large
\begin{tabular}{ll}
\ffontaname & \ffonta\testtext \
\ffontbname & \ffontb\testtext \
\ffontcname & \ffontc\testtext \
\ffontdname & \ffontd\testtext \
\ffontename & \ffonte\testtext \
\ffontfname & \ffontf\testtext \
\end{tabular}
\end{document}

Answer 3

Adapting my answer at Universal definition of vertically mirrored triangles on top of each other

\documentclass{article}
\usepackage{scalerel,stackengine,tikz}
\usetikzlibrary{shapes.geometric}
\tikzset{
    uptri/.style={fill,
        draw,
        ultra thick,
        regular polygon,
        regular polygon sides=3,
        xscale=.7
    }
}
\tikzset{
    dntri/.style={fill,
        draw,
        shape border rotate=180,
        ultra thick,
        regular polygon,
        regular polygon sides=3,
        xscale=.7
    }
}
\savestack\uptri{\tikz{\node[uptri]{}}}
\savestack\dntri{\tikz{\node[dntri]{}}}
\DeclareRobustCommand\intri{\kern.5pt\scalerel*{%
  \stackengine{9pt}{\uptri}{\dntri}{O}{c}{F}{F}{S}}{e}\kern.5pt}
\begin{document}
p\^el /pe\intri l/
\end{document}